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jef12506 at 23:05 PM on 27 March 2018Study: wind and solar can power most of the United States
There is no question that solar and wind can provide our energy. The real question is how much energy, can we use it easily, and can how much does it cost. We can't afford the cost of slightly more expensive FF energy, there is not enough surplus to drive the economy so how can we afford more expensive, less surplus solar and wind?
When ever an author puts "Imagine..." in an article it should be dismissed. If we had the storage tech we could cut FF use for electricity by more than half right now. What makes anyone think we will do it later if we can't do it now?
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Daniel Bailey at 21:01 PM on 27 March 2018Greenland is gaining ice
"But why Greenland is highly sensitive to warmer temperatures?"
Partly because, due to its latitude, it gets a lot of summer insolation from the sun (much more so than does the Antarctic Ice Sheet), and partly due to its proximity to warming ocean currents. Poleward convective energy transportation systems do the rest (helping to raise the ablation line higher up the ice sheet, driving further mass balance changes).
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Aomsin at 17:11 PM on 27 March 2018CO2 is not a pollutant
I think carbon dioxide is not a pollution. Let talk about definition ,the definition of pollution in Webster’s dictionary is "to make physically impure or unclean: Befoul, dirty." By that definition, carbon dioxide is not pollution. However, Webster's also has the definition: "to contaminate (an environment) esp. with man-made waste." Carbon dioxide is a waste gas produced by fossil fuel combustion, so can be classified as man-made waste.
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Thanapat Liansiri at 16:22 PM on 27 March 2018Solar cycles cause global warming
Do we have another issue that caused climate change?
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Thanapat Liansiri at 16:21 PM on 27 March 2018Springs aren't advancing
If we cannot stop this problem how it will affect our Earth?
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Thanapat Liansiri at 16:19 PM on 27 March 2018It's global brightening
How can we prevent the infrared radiation when the cloud and aerosol all gone?
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One Planet Only Forever at 07:51 AM on 27 March 2018Stop blaming ‘both sides’ for America’s climate failures
nigelj@51,
Thank you for sharing your impressions of “Enlightenment Now”.
I suspected that Pinker's presentation would include an apologetic argument for people to be freer to believe what they prefer and do as they please.In addition to the two-siderism explained in this OP, the misrepresentation of the Klein-Koch matter in Washington State that NorrisM quoted was a red flag that Pinker had a bias towards promoting/excusing freedom of thought and action without restriction of the responsibility to not harm others. Klein and the Kochs did not share the same motivation regarding what was happening in Washington State. Pinker's apparent depth of investigation into other matters raises suspicions about why he would fail to better present the proper understanding of the Klein-Koch matter.
Also, expecting future generations to experiment with geoengineering in the hopes of reducing the harmful consequences created by irresponsible people in previous generations is the sort of careful callous disregard for Others I have seen many times from current day people who desire the promotion/continuation of the Religion/Dogma of 'Good things will develop if people are freer to believe what they wish and do as they please'.
Therefore, I will borrow the book from a Public Library. I only want to make purchase choices that help to more rapidly achievement the Sustainable Development Goals (SDGs). I have no interest in supporting efforts to excuse clearly and undeniably harmful things that have developed by claiming that helpful developments have also occurred during the same time period (no proof of a direct connection between the harmful unsustainable activity and the helpful activities/developments, just a claimed connection because of concurrence in time).
In “On Liberty”, John Stuart Mill explained that society has the ability and responsibility to properly educate its entire population. And he warned that “If society lets a considerable number of its members grow up mere children, incapable of being acted on by rational consideration of distant motives, society has itself to blame for the consequences.”
Musings that attempt to defend 'liberty without responsible self-limiting and correction of unacceptable behaviour' are unhelpful, and likely to be harmful. I will read and evaluate Pinker's book with that in mind. I would blame Pinker for creating a tool that can be misused by failing to include the warnings about its potential misuse.
My recommended reading to others prior to reading a book like Pinker's is the SDG's and all of the internationally collaboratively developed documents associated with their development through the decades, especially the 1987 report “Our Common Future” (and including the IPCC Reports).
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Kiwiiano at 03:47 AM on 27 March 20182018 SkS Weekly Climate Change & Global Warming Digest #12
Who is going to bear the cost of developing such techs and runnning such facilities? The commmon people?
Probably the same common people who will bear the cost if we don’t develop CCS. The 1% are very adept at dodging paying taxes, that’s how they get to being the 1%.
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warissara.su at 03:34 AM on 27 March 2018Sea level fell in 2010
I think that this short-term decline from lanina isn't affected much because it will back to the same situation. But its effect much on the climate of that area. How is it increasing amount of greenhouse gases?
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voravichlouis at 02:58 AM on 27 March 2018It's only a few degrees
One cause of temperature increased is CO2 and these two are directly proportion to each other, which mean it will double each other. While temperature is increasing just 6 degrees it double CO2 amout. In my opinion I think this is and global problem that everyone have to be aware because just a few degrees can cause a huge problem, trigger dangerous and damage climate change. It can change our environment, including our world.
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warissara.su at 02:47 AM on 27 March 2018We didn't have global warming during the Industrial Revolution
I think that in the industrial revolution, CO2 started to emit rapidly but it didn't reach the point that we can detect it clearly that there is global warming. But I want to know is there other factors that cause this?
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Kotchakorn Janroong at 01:43 AM on 27 March 2018Scientists can't even predict weather
Do the information is trustworthy? How can we predict the exactly true weather for the hundred years from now? Just only tomorrow we never know that the weather will likely happen as we are predicted or not, the weather always changes and we cannot control it. So, if we think about the prediction of the weather for the hundred years from now, I think it will be impossible and hard to explain.
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Kotchakorn Janroong at 01:24 AM on 27 March 2018Melting ice isn't warming the Arctic
Arctic amplification is the phenomenon where changes in the net radiation balance due to greenhouse gas levels, for instance, tend to produce a larger increase in temperature near the poles than the planetary average.
Sea ice helps to keep the Arctic atmosphere cold. Its whiteness reflects much of the Sun's energy back to space, and it physically insulates the Arctic atmosphere from the underlying Arctic Ocean. With less sea ice, the refrigerator door is left open-darker open water is exposed, which readily absorbs the Sun's energy in summer, heating the ocean and leading to even more melt. With less sea ice there is also less insulation, so that heat from the ocean escapes to warm the atmosphere in the autumn and winter.
What are the main reasons that can cause the Arctic to heat faster? How it impacts human life? -
emmy at 01:12 AM on 27 March 2018CO2 increase is natural, not human-caused
In general, I believe that many things happen naturally. But naturally, cause a very little amount of effect if we compare to human activities. CO2 or carbon dioxide is a colorless gas consisting of carbon and oxygen. It occurs naturally in the atmosphere. Plants use it and animals also produce it in respiration. It is a major greenhouse gas emitted by fossil fuel combustion. Burning fossil fuels is one of the causes that make CO2 increase so we can't say that iCO2 came from natural because human is the one who controls everything even we can control that in next 50 years what we want our world gonna be like. The science researcher says that humans are emitting CO2 at a rate twice as fast as the atmospheric increase (natural sinks are absorbing the other half).Nature is absorbing more CO2 than it is emitting. So, the percent that CO2 increases in our world today caused by human activities whether directly or indirectly way. It has more effect than natural.
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warissara.su at 01:00 AM on 27 March 2018Greenland is gaining ice
I understand that Greenland is not gaining ice now after the 2000s and it decreases over 300 billions of tons of ice every year. Because of the world temperature increases can cause too much ice loss so it cannot change all of the water from ice to precipitate all of it at the interior. But why Greenland is highly sensitive to warmer temperatures?
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emmy at 00:50 AM on 27 March 2018They changed the name from 'global warming' to 'climate change'
I believe that scientist gives the different meaning of climate change and global warming. One reason that I notice about scientist wouldn't change the name of global warming to climate change because global warming could define only the meaning of the increase in Earth’s average surface temperature due to rising levels of greenhouse gases, but climate change could define as a long-term change in the Earth’s climate, or of a region on Earth that can be hotter or colder if compare over period of time. They could say that global warming is one type of climate change because it is also about the temperature that changing but they cannot change the word from global warming to climate change.
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gws at 00:12 AM on 27 March 2018Developing countries need fossil fuels to reach the standard of living we enjoy, right?
Hi RG @7. Keep in mind that fossil fuel infrastructures are centralized, which goes hand-in-hand with corruption much better than decentralized structures created from renewables use. There is a good reason why e.g. Venezuela and Lybia are high on that index. Building community around decentralized energy structures may a long way to fight corruption.
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emmy at 00:07 AM on 27 March 2018Mars is warming
Our world has been changing over a period of time as a same as the universe. I think a climate is one of a factor that makes planet changed. Radiation from the sun can be a cause that makes the temperature change. I understand that each planet has their own relationship and effect. But I'm not really sure that effect from volcanos can make earth cooling and makes mars warming. Is this really true?
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DWnns at 23:55 PM on 26 March 2018Climate scientists are in it for the money
Thank you for posting!!
Scientists are important for our world. Because of climate change that we made it happen. Many countries tried to solve this problem. The government gave the budget for science companies to research. Causes somebody to think that climate scientists are in it for the money. In my opinion, science project and research need money and time. Money that government gave could be running out easily. Some country didn't support science field so much. Sometimes it made people don't want to be scientists because science work is very tough work and the scientist isn't high salary career. So I think scientists aren't in it for the money.
What would make science project become more famous?
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DWnns at 23:40 PM on 26 March 2018It's too hard
Thank you for posting!!
Climate change destroyed our earth so much. Climate change that we made it because of human's want. It changes our world from clean to dirty. It's too hard to change our globe back, but we can stop it before it destroys us more. If we help each other, we can reduce climate change. By reduce to release greenhouse gases such as CO2, CH4, water vapor. Climate change is not too hard to stop if we help together.
Is it would be harder, if we won't do anything?
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DWnns at 23:33 PM on 26 March 2018It's not bad
Normally, everything has two sides, positive and negative ways. For global warming, seem the negative ways are more than the positive one. The positive is affect only some area but the negative affect all, direct and indirect ways to human's health. In my opinion, CO2 didn't make sense much on agriculture in a positive way. More CO2 didn't say that more O2 plants could produce. While we have global warming, that means many trees had been cutting down. No helper to absorb CO2 as much as the past. So in agriculture, few trees cannot take all CO2 to change to O2. CO2 also causes many glaciers melted that made the fresh water mixed with an ocean. Decrease the water supply that is the factor in human's life. In conclusion, I think global warming didn't make our world be good.
I have a question. What would the world be in 100 years if we still release CO2?
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Siva at 23:20 PM on 26 March 20182018 SkS Weekly Climate Change & Global Warming Digest #12
Why does this article sound like it is screaming with adjective?
mans sounds very insecure. Any article that speaks about carbon capture and carbon reduction should always mention “net” gain or loss in co2 or ghg for that process. All AGW articles are repeating the same in every article, repeating same adjective. So why not repeat same solutions and effects?
Why AGW articles does not talk about “cost”? Like cost capture and store carbon. Who is going to bear the cost of developing such techs and runnning such facilities? The commmon people? Ok now I understand why the adjectives and the scare and daRe. The word “denier” should not be used and should be banned. AGW is an opinion and not a fact. You can call it “expert opinion” but scientists are not god (well for that matter I am athiest) same applies to doctors , we have seen written offs by doctors living. Science is not absolute and not settled. Science is growing and challenging assumptions every day.
When einstein started to think about gravity did he say “newton settled this issue? It is just like belief in god.
Whenever i read articles like above it only rreminds me of the telemarketing ads “act now...call us in the next 10 minutes and you will get two..,”
people should realize that between the scientists and the people there are two more layers, they are the funders and the media, both have vested interest in what the scientist says And will exaggerate or change it. Media’s only interest is in selling itself through sensationalism. Funders wants material for policy making and public support.
Why AGW does not talk about the jobs of so many illiterate or undereducated people in the world? why AGW does not talk about ware management (I mean every article)
suspicions are only growing day by day. The more you call them “deniers” the more you will be suspected of moral crucifixtion , word play, “term shifters”, dishonest people.
hope you are not going drown today.
Moderator Response:[DB] Please keep comments both on-topic and constructed to comport with this venue's Comments Policy. Thanks!
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chanut.th at 23:02 PM on 26 March 2018Animal agriculture and eating meat are the biggest causes of global warming
The more we eat, the more we eat, the more we need to increase the amount of animals. And from the document, it is said that the cow has a large amount of gaseous emissions. The more the glass is, the more likely it will be the greenhouse effect. But the industry is another factor in greenhouse gases, but methane emissions have led to clean gas (http://faculty.college-prep.org/~bernie/). sciproject / project / Kingdoms / Bacteria3 / methanogens.htm)
The responsible animal industry has the second highest potential for methane to make clean energy.
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voravichlouis at 22:52 PM on 26 March 2018Satellite record is more reliable than thermometers
Based from the article, I agree with an argument that says unnecessary that higher technology always better for measure and predict climate than normal equipment. What we are focusing on is temperature of throposphere is rising up. For me I think there is both side for each apparatus. Satellite is measuring the temperature of above the Earth suface. By the value of the temperature from the satellite is an calculated number after discount other factor. There are a thousands of factor that can affect the values such as different in temperature from different layer of atmosphere, water vapour in the atmosphere and also the attitude of satellite should be stable, but we can't control that. So the result of temperature from sattellite is quite inaccurate, even though it can cover larger area of measuring. On the other hand, thermometer is used to measure the temperature on Earth, so it is more accurate in specific area.
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random guy at 22:45 PM on 26 March 2018Scientists have detected an acceleration in sea level rise
I think the melting rate of ice is also likely to increases and increasing the rate of sea level rise as well. Since the environment is connected to each other just one change in one part of the cycle can cause a change to a whole cycle, in this case, the factors are not only the temperature rises up but it also warm currents that run-pass ice sheet as well. So I'm sure that sea level will rise much faster than now, in just a few years, if we can't make an impact big enough to stop temperature rise.
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chanut.th at 22:32 PM on 26 March 2018The sun is getting hotter
The sun's heat is increased, but it is not the main factor for the increase in temperature. Even though the sun is burning, burning and spreading the sun, and the sun is expanding, it is hotter.
The world is being heated by the increase in greenhouse gases caused by the burning of fossil fuels and transportation or transportation. Why global warming does not depend on the green house effect.In spite of this, greenhouse gases have increased and global warming is due to the destruction of the ozone layer.
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Thanapat Liansiri at 22:06 PM on 26 March 2018Solar cycles cause global warming
This article is interesting I want to know too, so solar cycle cause global warming.
The temperature around the world is now increasing and TSI(Total Solar Irradiance) I think solar cycle can cause global warming because our temperature is increasing by radiation from the sun which comes from solar cycle too. In that time global temperature increase by 0.18 but now in 2018 is much warmer than that time
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random guy at 21:53 PM on 26 March 2018Jet fuel from sugarcane? It’s not a flight of fancy
@5 I really agree with Digby Scorgie. The problem with biofuel is that it hard to produce. In this case, sugarcane requires too much area and too unreliable in the rate of production. I couldn't imagine what will happen if we all use jet fuel and have a major drought in an agriculture area. That drought must cause a damage worth many millions of dollars in just one day.
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voravichlouis at 21:35 PM on 26 March 2018CO2 is coming from the ocean
But my question is CO2 that dissolved in the ocean, even it dissolved for long time ago and also the ratio between dissolve in and release out are very different, where does the CO2 go? Is it going to be a long term effect to the ocean in the future?, thousands or millions of years after this.
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Thanapat Liansiri at 21:29 PM on 26 March 2018Springs aren't advancing
I really agree with this article especially "Climate change is being recognized as one of the most influential drivers of changes in biodiversity". this statement is true this issue now becomes world global issue that we face today.
From this article said that this issue affects the timing of plant flowering can disrupt so this situation happens because of our ecosystem change this issue not just happen with a plant, it also happens with insect so they change their behavior all of this problem comes from the change of temperature in our atmosphere. If we do not fix this problem or find the way to deal with it we will soon face another big problem that we can't imagine.
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voravichlouis at 21:27 PM on 26 March 2018CO2 is coming from the ocean
In my opinion, I strongly agree that the extra CO2 in the atmosphere has come from the oxidation of fossil fuels and not from outgassing from the ocean. Based from what the professionals say, CO2 emission in the atmosphere is less than half of fossil fuel emissions of CO2. Another half ends up in the ocean, which mean ocean isn't the factor of releasing CO2 to the atmosphere.
Even there are exchanging of CO2 between ocean surface and the atmosphere. But there is a huge range of differences between going in and releasing out of CO2 from ocean. Absorbtion is a lot higher of amount.
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random guy at 21:22 PM on 26 March 2018Developing countries need fossil fuels to reach the standard of living we enjoy, right?
I have to say this is a nice video for convincing someone to trust that they can get over fossil fuel and use renewable energy instead. The video itself has a good point but the truth about corruption in developing world is undeniable.
https://www.radionz.co.nz/international/pacific-news/323102/png-improves-on-global-corruption-index
just by look at the picture you can see that most of developing country have a very high percentage of corruption and it most likely that all the income and profit will not come to people. So in short, it doesn't matter if they (or us as from my perspective) use fossil fuel to boost GDP or not we will never get a good living standard as a developed country do unless we somehow change the country to a better situation.
ps: sorry for bad English I'm not a native speaker. Proper English education here is very hard to find, but I will try as best as I can.
Moderator Response:[DB] Image width resized to 450
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Thanapat Liansiri at 21:07 PM on 26 March 2018It's global brightening
I agree with your article
so the global brightening is caused by changes in cloud cover, a cloud is an aerosol comprising a visible mass of minute liquid droplets, frozen crystals, or particles suspended in the atmosphere so the major one that absorbing all the radiation in our atmosphere is cloud and aerosol, aerosol can absorb the solar radiation so if we decline in absorbing aerosol so that means sunlight will reach the earth so the result is our Earth is warmer than before.
Cloud also take a major character because clouds can trap the infrared radiation So if we have less cloud infrared radiation will come directly to us so the result is our surface warmer than before. From the graph, you bring I can understand all of that information.
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Napin at 20:48 PM on 26 March 2018Southern sea ice is increasing
Sea ice in Antarctica was increasing until around 2015 while the temperature was warming up, and then in 2016, the ice started to decrease and reached its lowest record in 2017 as it is said in phys.org/news/2018-03-antarctic-sea-ice-second-straight-year.html Ice plays an important role on global warming issue. If we knew the factors which drive the sea ice to changes and how it works, we could understand more about climate change.
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ubrew12 at 12:06 PM on 26 March 20182018 SkS Weekly Climate Change & Global Warming News Roundup #12
Consider the source: Heartland telling your kid that fossil fuels is no big deal on his climate, is like Philip Morris telling him that cigarette smoking is no big deal on his lungs.
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nigelj at 10:00 AM on 26 March 20182018 SkS Weekly Climate Change & Global Warming Digest #12
BECCS = huge use of existing scarce land, huge use of fertlisers and water, complicated energy intensive processes, and considerabe transport costs = something where serious questions need to be asked.
Related articles ; "It’s the big new idea for stopping climate change — but it has huge environmental problems of its own"
"Biomass-based negative emissions difficult to reconcile with planetary boundariesVera Heck1,2*, Dieter Gerten1,2*, Wolfgang Lucht1,2,3 and Alexander Popp"
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Napin at 01:37 AM on 26 March 2018Arctic was warmer in 1940
To get the true information, we as a reader should check the evidence of those analysis and compare the information in the different sources. Sometimes the headline of the article is very interesting but it isn’t true and sometimes the author hides some part of the information so the article is true only in 1 aspect. We have to aware of these false data!
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DWnns at 00:30 AM on 26 March 2018It's too hard
Thank you for posting!!
Climate change destroyed our earth so much. Climate change that we made it because of human's want. It changes our world from clean to dirty. It's too hard to change our globe back, but we can stop it before it destroys us more. If we help each other, we can reduce climate change. By reduce to release greenhouse gases such as CO2, CH4, water vapor. Climate change is not too hard to stop if we help together.
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Napin at 00:13 AM on 26 March 2018It's microsite influences
The change of the temperature merely in 1 degree has a huge impact on climate change issue. To find the way to limit, control and slow down the process of global warming the scientists do need the accurate information. So no matter how close of the good and bad station data is, we should set up the station in the place that can get the closest result to the actual temperature on earth. The factors which affect the measurement of the temperature should be find out.
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DWnns at 23:58 PM on 25 March 2018Climate scientists are in it for the money
Thank you for posting!!
Scientists are important for our world. Because of climate change that we made it happen. Many countries tried to solve this problem. The government gave the budget for science companies to research. Causes somebody to think that climate scientists are in it for the money. In my opinion, science project and research need money and time. Money that government gave could be running out easily. Some country didn't support science field so much. Sometimes it made people don't want to be scientists because science work is very tough work and the scientist isn't high salary career. So I think scientists aren't in it for the money.
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DWnns at 20:56 PM on 25 March 2018It's not bad
Thank you for posting!!
Normally, everything has two sides, positive and negative ways. For global warming, seem the negative ways are more than the positive one. The positive is affect only some area but the negative affect all, direct and indirect ways to human's health. In my opinion, CO2 didn't make sense much on agriculture in a positive way. More CO2 didn't say that more O2 plants could produce. While we have global warming, that means many trees had been cutting down. No helper to absorb CO2 as much as the past. So in agriculture, few trees cannot take all CO2 to change to O2. CO2 also causes many glaciers melted that made the fresh water mixed with an ocean. Decrease the water supply that is the factor for human's life. In conclusion, I think global warming didn't make our world be good.
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Aomsin at 19:31 PM on 25 March 2018Arctic icemelt is a natural cycle
If the Arctic Ocean ice cover is continuing to decline the melting season, in the future Are there will have the black sheet which absorb heat causing ice to melt more.On the other hands if the ice is continuing to melting Are it will reach some point to stop melting and gaining ice instead?
The ice movement can cause to loss of ice mass.The loss of ice mass is a key indicator for ice sheet.The major characteristic of the Arctic is the warming faster than the rest of the globe as a result especially in summer.The sea ice retreat has significant effects on high latitude ecosystems on the evolution of climate change itself.How the Arctic icemelt is a natural cycle because one of the reason because human activities?Then human activities cause to effect the climate change.And climate change of Arctic sea ice as natural phenomenon.
If it is a natural cycle then it will not effect only on the land but how about the shortwave radiation in the atmosphere or the Arctic troposphere.Another important feature of Arctic chemistry is the involvement of bromine gas in sudden ozone depletion events in the lower troposphere during spring.However human activities not effect only climate or temperature but it effect to living organisms and their habitats.If it possible that polar bear immigrate to the other parts of the world because of the environment has changed.Furthermore maybe in the future there will have the technological solution to mitigate the problem that is happening.
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nigelj at 15:40 PM on 25 March 20182018 SkS Weekly Climate Change & Global Warming News Roundup #12
Curriculums need to be kept reasonably simple and uncluttered. Most of what comes out of the Heartland Institute and similar organisations is rubbishy self interested pseudo science, and will confuse children and add unnecessary complexity to the curriculum.
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One Planet Only Forever at 14:06 PM on 25 March 20182018 SkS Weekly Climate Change & Global Warming News Roundup #12
Current day Libertarians, Utilitarians, and Free-Market Fans can be expected to try to keep people from being more aware and better educated regarding climate science and the required corrections of what has developed.
The constantly improving climate science understanding of the harmful consequences of the developed addictions to burning fossil fuels are undeniable. But 'smart' people who do not like that to be better understood have acted in a variety of ways to delay the education of the population, delay the development of increased awareness and better understanding. They prefer to try to claim that burning fossil fuels has been such a good thing that it must not be rapidly curtailed. They claim that future generations will develop 'solutions to undo the harm and challenges created'. And they will even try to claim that the unsustainable developed perceptions of prosperity will continue to grow making the future even better as long as they can be freer to believe and do as they please, doing what they can understand is harmful and unsustainable.
In "On Liberty", John Stuart Mill warned about the harmful consequences of those type of people Winning. He states that societies have the means to properly educate their entire populations, including correcting any incorrect learning of older people, and warns that "If society lets a considerable number of its members grow up mere children, incapable of being acted on by rational consideration of distant motives, society has itself to blame for the consequences."
Mill's warning especially applies to the need for the entire population to be 'educated or corrected' to appreciate the need to be as aware and understanding of what is Really Going On as possible and encourage actions that are helpful to others, especially future generations, and discourage actions that are harmful. Regrettably, many current day Libertarians only selectively remember parts of the understanding that was shared by Mill's all those years ago.
The real travesty is that the criticism/warning of the types of developments likely to be created by people freer to believe and do as they please, especially the harm they will try to get away with inflicting on future generations, was publicly declared for all global leaders to be aware and understand in the 1987 UN Report "Our Common Future" with the following blunt and accurate statement:
"25. Many present efforts to guard and maintain human progress, to meet human needs, and to realize human ambitions are simply unsustainable - in both the rich and poor nations. They draw too heavily, too quickly, on already overdrawn environmental resource accounts to be affordable far into the future without bankrupting those accounts. They may show profit on the balance sheets of our generation, but our children will inherit the losses. We borrow environmental capital from future generations with no intention or prospect of repaying. They may damn us for our spendthrift ways, but they can never collect on our debt to them. We act as we do because we can get away with it: future generations do not vote; they have no political or financial power; they cannot challenge our decisions.
26. But the results of the present profligacy are rapidly closing the options for future generations. Most of today's decision makers will be dead before the planet feels; the heavier effects of acid precipitation, global warming, ozone depletion, or widespread desertification and species loss. Most of the young voters of today will still be alive. In the Commission's hearings it was the young, those who have the most to lose, who were the harshest critics of the planet's present management." -
Aomsin at 13:21 PM on 25 March 2018Antarctica is gaining ice
A team of international scientists is due to set off for the world’s biggest iceberg ,fighting huge waves and the encroaching Antarctic winter ,in a mission aiming to answer fundamental questions about the impact of climate change in the polar regions.The scientists, led by the British Antarctic Survey (BAS), are trying to reach a newly revealed ecosystem that had been hidden for 120,000 years below the Larsen C ice shelf on the Antarctic peninsula.In July last year, part of the Larsen C ice shelf calved away, forming a huge iceberg - A68 - which is four times bigger than London, and revealing life beneath for the first time.
The climate change had already affected the seas around Antarctica and is warming some coastal waters.So now both Antarctic Peninsula and West Antarctica Ice sheet are losing ice.For now, the East Antarctic Ice sheet is stable but it will influence on global climate change due to sea ice.In the future there is growing concern about the possible impact of climate change.Is Antarctica gaining ice that meant it will effect to climate change and the ecosystem of the regions? -
Cedders at 03:01 AM on 25 March 2018There's no tropospheric hot spot
I meant to add the caption for the above figure. 'Temperature trend 1960–2012 versus latitude and pressure. The value for each latitude and pressure is the medians of the trends at individual stations in that (10°) latitude bin. Units are °C per decade'
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Cedders at 03:00 AM on 25 March 2018There's no tropospheric hot spot
Figure 1 from Sherwood and Nishant (2015) from iUK2 is clear enough in showing the reduced lapse rate in the equatorial troposphere caused by increased evaporation. It seems balloons just hadn't captured good enough data before. I'm still seeing naive claims there is 'no hotspot'.
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Bob Loblaw at 00:51 AM on 25 March 20182018 SkS Weekly Climate Change & Global Warming Digest #11
NorrisM:
In deference to other parts of my life, I try to restrict my blog time to reading blogs that help me learn things. Judith Curry's blog does not fall into that category, for reasons that include what Eclectic stated in his response.
When you post (on the selected/appropriate thread), instead of feeling that you have to present or defend a particular position, focus on outlining what you do understand, describe what you don't, and ask questions to help understand.
You're not a lawyer trying to argue a case against an opponent. The idea here is to be a participant in a discussion where ideas are shared and a common understanding is the desired outcome. It is the ideas that will be put in the line of fire, not you.
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Aomsin at 00:20 AM on 25 March 2018Water vapor is the most powerful greenhouse gas
Greenhouse gases include water vapour ,carbon dioxide ,methane ,nitrous oxide and other gases.
National Oceanic and Atmospheric Administration (NOAA).”Deforestation is the second largest anthropogenic
source of carbon dioxide to the atmosphere ranging between 6 percent and 17 percent,”said Daley.Then water vapour is actually the most powerful greenhouse gas and has a strong effect on weather and climate.As the planet get warmer ,more water evaporates from the Earth’s surface and become water vapour in the atmosphere.
If there a place where is ocean then it will have more of water vapour than the desert or not? And if want to reduce these problem then the place which dry or desert will have more stable of temperature than the ocean which has higher evaporation of water in the atmosphere.Because these issue is the positive feedback loop.How human can figure out greenhouse gas effect? And it’s not just only 1 problem because it will effect in a chain for example climate change ,global warming and methane pollution.
Global Warming is harming the environment in several ways including desertification ,increased melting of snow and ice ,sea level rise , stronger storms and extreme events.These problem made by human activities affect to the environment so in every year water vapour will more increasing to reach greenhouse gas effect and other problems.It was the responsibility of human to take care our Earth’s. -
Eclectic at 21:55 PM on 24 March 20182018 SkS Weekly Climate Change & Global Warming Digest #11
NorrisM @19 , with your permission, I will jump into the fray also — with an overview.
Judith Curry's recent articles on sea level rise exhibit typical Curryism. She provides, at first glance, an impressively erudite summation of the field of (modern) sea level rise. It is a complex area. She quotes from the IPCC and and other sources, and in effect she states that somewhere in the region of 40 - 60% of recent MSL rise is clearly anthropogenic (from AGW).
But there are three facets of Curryism here :
1. Although the mainstream scientists know that around 100% of modern rapid global warming is caused by human activity (including more than simply CO2 effects) . . . this fact does not suit public acknowledgement by Dr Curry and her agenda. Her clientele wish to hear that only a very minor part ( or none !! ) of global warming is caused by CO2 emissions — and to hear that AGW itself is a very small and temporary effect and will never amount to more than a limited inconvenience. (And preferably hear that today's slight/insignificant warming is merely the result of "natural variability" . . . such as a 1000-year or 2400-year cycle, or the AMO and/or a Stadium Wave and/or due to ABC [Anything But Carbon] ).
Dr Curry therefore presents her case in a way that implies that the very reasonable conclusion of 40 - 60% human attribution for sea level rise, must (by implication) point to AGW being far less than 100% human . . . and that therefore the mainstream scientists have gotten it wrong about warming. Curry is happy to strongly hint, but never state that explicitly.
2. Another typical Curryism, is her careful avoidance of the bigger picture. Readers who read her without making any effort to notice what she has avoided saying, will feel that she is giving a fair, balanced and dispassionate presentation. But taking a longer historical view of sea level, one sees that Curry is restricting her comments to the narrow case of the recent century or so (and she prefers to draw the focus toward 1950 and later). In that narrow window it is indeed possible to make a defensible case that cycles [however dubious] plus contributions from solar variability, the AMO, volcano eruptions, or other natural variability . . . can explain around half of [recent] sea level rise.
But on the multi-century / multi-millennial scale, her explanations are twaddle.
3. NorrisM, you may also notice how very carefully Dr Curry delineates the various time-segments through the 20th Century up to 2017. And she wishes to suggest validity of the post-1998 "Pause" in surface temperatures (and to minimize or not even mention the continuing oceanic heating). And she places the last few years of high spike in surface temperature, in a separate post-Pause category . . . caused by the "super-Nino" (without acknowledging that it's an ongoing warming problem, not just an El Nino fluctuation).
All very selective, all very denfensible in a court of law . . . yet at the same time rather obviously intended to mislead the unwary reader.
NorrisM, if you have time, take a further read through the comments columns at the foot of Dr Curry's articles. I confess to finding them quite entertaining — I usually skim through the repetitive nonsense coming from most posters there. But yes you are right, JCH is usually fairly well on the ball, if rather short-tempered. Nick Stokes is always worth reading, and provides genuine science. And there is the admirable calmness of JimD as he continually puntures the nonsense of posters like "ABC" Ellison and the slightly less crackpot-ish Javier. All good fun, but sadly illustrating the insanity of some of the tolerably intelligent sections of the human population.
Also entertaining, NorrisM, is the way that on Curry's Climate Etc, the denialists who are scientifically/mathematically literate "medium crazies" have to keep turning around and putting down the "ultra-crazies" who come out repeatedly with way-off-planet ideas (ideas which are nevertheless still extremely common in the common ruck of denialists). You hardly ever see that with the posters at WhatsUpWithThat . . . where craziness & anger run rampant continuously.
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