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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

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Climate's changed before
It's the sun
It's not bad
There is no consensus
It's cooling
Models are unreliable
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It hasn't warmed since 1998
Antarctica is gaining ice
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Skeptic Arguments and What the Science Says

The following numbering of skeptic arguments was fixed on 26 July 2010. For up-to-date numbering, see the current argument list.

MythShort URL
1 "It's the sun" http://sks.to/sun
2 "Climate's changed before" http://sks.to/past
3 "There is no consensus" http://sks.to/consensus
4 "It's cooling" http://sks.to/cooling
5 "Models are unreliable" http://sks.to/model
6 "Temp record is unreliable" http://sks.to/temp
7 "It hasn't warmed since 1998" http://sks.to/1998
8 "Ice age predicted in the 70s" http://sks.to/1970s
9 "We're heading into an ice age" http://sks.to/iceage
10 "Antarctica is gaining ice" http://sks.to/antarctica
11 "CO2 lags temperature" http://sks.to/lag
12 "It's not bad" http://sks.to/impacts
13 "Al Gore got it wrong" http://sks.to/gore
14 "It's cosmic rays" http://sks.to/cosmic
15 "It's freaking cold!" http://sks.to/cold
16 "Hurricanes aren't linked to global warming" http://sks.to/hurricane
17 "1934 - hottest year on record" http://sks.to/1934
18 "Hockey stick is broken" http://sks.to/hockey
19 "Mars is warming" http://sks.to/mars
20 "It's Urban Heat Island effect" http://sks.to/uhi
21 "It's a 1500 year cycle" http://sks.to/1500cycle
22 "Arctic icemelt is a natural cycle" http://sks.to/arcticcycle
23 "Sea level rise is exaggerated" http://sks.to/sealevel
24 "Water vapor is the most powerful greenhouse gas" http://sks.to/vapor
25 "Other planets are warming" http://sks.to/planets
26 "Greenland was green" http://sks.to/green
27 "Oceans are cooling" http://sks.to/oceanheat
28 "Climategate CRU emails suggest conspiracy" http://sks.to/climategate
29 "Human CO2 is a tiny % of CO2 emissions" http://sks.to/co2
30 "Climate sensitivity is low" http://sks.to/sensitivity
31 "Increasing CO2 has little to no effect" http://sks.to/greenhouse
32 "We're coming out of the Little Ice Age" http://sks.to/lia
33 "It cooled mid-century" http://sks.to/midcentury
34 "Glaciers are growing" http://sks.to/glacier
35 "It warmed before 1940 when CO2 was low" http://sks.to/pre1940
36 "There's no empirical evidence" http://sks.to/evidence
37 "Polar bear numbers are increasing" http://sks.to/bear
38 "Satellites show no warming in the troposphere" http://sks.to/troposphere
39 "Mt. Kilimanjaro's ice loss is due to land use" http://sks.to/kilimanjaro
40 "IPCC is alarmist" http://sks.to/underestimat
41 "Extreme weather isn't caused by global warming" http://sks.to/extreme
42 "CO2 is not a pollutant" http://sks.to/pollutant
43 "There's no correlation between CO2 and temperature" http://sks.to/correlate
44 "Greenland is gaining ice" http://sks.to/greenland
45 "CO2 was higher in the past" http://sks.to/pastco2
46 "Scientists can't even predict weather" http://sks.to/weather
47 "There's no tropospheric hot spot" http://sks.to/hotspot
48 "Neptune is warming" http://sks.to/neptune
49 "Jupiter is warming" http://sks.to/jupiter
50 "It's Pacific Decadal Oscillation" http://sks.to/pdo
51 "CO2 effect is saturated" http://sks.to/saturate
52 "Pluto is warming" http://sks.to/pluto
53 "Greenland ice sheet won't collapse" http://sks.to/icecollapse
54 "Volcanoes emit more CO2 than humans" http://sks.to/volcano
55 "Animals and plants can adapt" http://sks.to/species
56 "Medieval Warm Period was warmer" http://sks.to/mwp
57 "CO2 measurements are suspect" http://sks.to/co2data
58 "It's the ocean" http://sks.to/ocean
59 "It's El Niño" http://sks.to/elnino
60 "Arctic sea ice has recovered" http://sks.to/arctic
61 "Less than half of published scientists endorse global warming" http://sks.to/schulte
62 "Dropped stations introduce warming bias" http://sks.to/dropped
63 "Solar Cycle Length proves its the sun" http://sks.to/scl
64 "It's aerosols" http://sks.to/aerosols
65 "It's microsite influences" http://sks.to/microsite
66 "CO2 has a short residence time" http://sks.to/residence
67 "It's a climate regime shift" http://sks.to/shift
68 "2nd law of thermodynamics contradicts greenhouse theory" http://sks.to/thermo
69 "Humans are too insignificant to affect global climate" http://sks.to/significant
70 "It's not happening" http://sks.to/warming
71 "Greenhouse effect has been falsified" http://sks.to/falsify
72 "It's land use" http://sks.to/landuse
73 "The science isn't settled" http://sks.to/settled
74 "2009-2010 winter saw record cold spells" http://sks.to/winter
75 "It's methane" http://sks.to/methane
76 "500 scientists refute the consensus" http://sks.to/500
77 "Scientists tried to 'hide the decline' in global temperature" http://sks.to/decline
78 "IPCC were wrong about Himalayan glaciers" http://sks.to/himalaya
79 "Ocean acidification isn't serious" http://sks.to/acid
80 "Sea level rise predictions are exaggerated" http://sks.to/seapredict
81 "Naomi Oreskes' study on consensus was flawed" http://sks.to/oreskes
82 "Phil Jones says no global warming since 1995" http://sks.to/1995
83 "Ice isn't melting" http://sks.to/icemelt
84 "CO2 is coming from the ocean" http://sks.to/oceanco2
85 "It's not us" http://sks.to/agw
86 "CO2 is not increasing" http://sks.to/co2up
87 "It's albedo" http://sks.to/albedo
88 "Record snowfall disproves global warming" http://sks.to/snowfall
89 "Hansen's 1988 prediction was wrong" http://sks.to/hansen1988
90 "Lindzen and Choi find low climate sensitivity" http://sks.to/lindzenchoi
91 "The sun is getting hotter" http://sks.to/acrim
92 "Solar cycles cause global warming" http://sks.to/solarcycle
93 "Springs aren't advancing" http://sks.to/spring
94 "Over 31,000 scientists signed the OISM Petition Project" http://sks.to/oism
95 "Water levels correlate with sunspots" http://sks.to/watersun
96 "IPCC were wrong about Amazon rainforests" http://sks.to/amazon
97 "Climate is chaotic and cannot be predicted" http://sks.to/chaos
98 "Water vapor in the stratosphere stopped global warming" http://sks.to/stratosphere
99 "Scientists retracted claim that sea levels are rising" http://sks.to/searetract
100 "Mauna Loa is a volcano" http://sks.to/mauna
101 "CO2 is not the only driver of climate" http://sks.to/driver
102 "Trenberth can't account for the lack of warming" http://sks.to/trenberth
103 "CO2 was higher in the late Ordovician" http://sks.to/ordovician
104 "Southern sea ice is increasing" http://sks.to/southice
105 "Melting ice isn't warming the Arctic" http://sks.to/amplify
106 "Global warming stopped in 1998, 1995, 2002, 2007, 2010, ????" http://sks.to/stopped
107 "Tree-rings diverge from temperature after 1960" http://sks.to/diverge
108 "The IPCC consensus is phoney" http://sks.to/hulme
109 "It's CFCs" http://sks.to/cfc
110 "A drop in volcanic activity caused warming" http://sks.to/volcanodrop
111 "CO2 emissions do not correlate with CO2 concentration" http://sks.to/co2conc
112 "It's global brightening" http://sks.to/bright
113 "Warming causes CO2 rise" http://sks.to/warmco2
114 "It's ozone" http://sks.to/ozone
115 "It's satellite microwave transmissions" http://sks.to/microwave
116 "We didn't have global warming during the Industrial Revolution" http://sks.to/industrial
117 "Greenland has only lost a tiny fraction of its ice mass" http://sks.to/icefraction
118 "Antarctica is too cold to lose ice" http://sks.to/toocold
119 "It's waste heat" http://sks.to/waste
120 "CO2 is plant food" http://sks.to/plant
124 "Satellite error inflated Great Lakes temperatures" http://sks.to/greatlake
125 "Positive feedback means runaway warming" http://sks.to/runaway
127 "CO2 is just a trace gas" http://sks.to/trace
128 "IPCC overestimate temperature rise" http://sks.to/overestimate
129 "Breathing contributes to CO2 buildup" http://sks.to/breath
130 "Ice Sheet losses are overestimated" http://sks.to/iceloss
131 "Royal Society embraces skepticism" http://sks.to/royalsoc
132 "DMI show cooling Arctic" http://sks.to/dmi
133 "CO2 only causes 35% of global warming" http://sks.to/35percent
134 "Humidity is falling" http://sks.to/humidity
136 "It's a natural cycle" http://sks.to/cycle
137 "It's only a few degrees" http://sks.to/fewdegrees
139 "It's too hard" http://sks.to/toohard
140 "CO2 limits will harm the economy" http://sks.to/economy
141 "Renewables can't provide baseload power" http://sks.to/baseload
143 "Clouds provide negative feedback" http://sks.to/cloud
144 "CRU tampered with temperature data" http://sks.to/tamper
145 "Peer review process was corrupted" http://sks.to/peerreview
146 "Skeptics were kept out of the IPCC?" http://sks.to/ipccskeptic
147 "Freedom of Information (FOI) requests were ignored" http://sks.to/foi
148 "Corals are resilient to bleaching" http://sks.to/bleach
151 "We're heading into cooling" http://sks.to/futurecool
153 "They changed the name from 'global warming' to 'climate change'" http://sks.to/name
155 "Soares finds lack of correlation between CO2 and temperature" http://sks.to/soares
157 "Arctic sea ice loss is matched by Antarctic sea ice gain" http://sks.to/seaice
158 "An exponential increase in CO2 will result in a linear increase in temperature" http://sks.to/linear
159 "Record high snow cover was set in winter 2008/2009" http://sks.to/snowcover
160 "Coral atolls grow as sea levels rise" http://sks.to/atoll
161 "Earth hasn't warmed as much as expected" http://sks.to/inertia
162 "It warmed just as fast in 1860-1880 and 1910-1940" http://sks.to/trends
164 "IPCC ‘disappeared’ the Medieval Warm Period" http://sks.to/ipccmwp
168 "Ljungqvist broke the hockey stick" http://sks.to/ljungqvist
169 "CO2 limits will make little difference" http://sks.to/limits
170 "Hansen predicted the West Side Highway would be underwater" http://sks.to/highway
171 "Removing all CO2 would make little difference" http://sks.to/removeco2
172 "It's not urgent" http://sks.to/urgent
174 "It's soot" http://sks.to/soot
175 "CO2 limits will hurt the poor" http://sks.to/poor
176 "Arctic was warmer in 1940" http://sks.to/arctic1940
177 "Renewable energy is too expensive" http://sks.to/expensive
178 "Sea level rise is decelerating" http://sks.to/sealevelrise
179 "Venus doesn't have a runaway greenhouse effect" http://sks.to/venus
180 "It's internal variability" http://sks.to/variable
181 "CO2 limits won't cool the planet" http://sks.to/limitscool
182 "Sea level is not rising" http://sks.to/searise
183 "Renewable energy investment kills jobs" http://sks.to/jobs
185 "Great Barrier Reef is in good shape" http://sks.to/gbr
186 "Roy Spencer finds negative feedback" http://sks.to/negspencer
188 "Murry Salby finds CO2 rise is natural" http://sks.to/salby
189 "CO2 increase is natural, not human-caused" http://sks.to/co2increase
190 "Postma disproved the greenhouse effect" http://sks.to/postma
195 "Sea level fell in 2010" http://sks.to/slr2010
198 "Climate 'Skeptics' are like Galileo" http://sks.to/galileo
201 "Tuvalu sea level isn't rising" http://sks.to/tuvalu
214 "Himalayan glaciers are not shrinking" http://sks.to/himalayagrow
215 "Climate science peer review is pal review" http://sks.to/pal
216 "Nuclear testing is causing global warming" http://sks.to/nuclear
217 "Arctic sea ice loss in the 1940s was similar to today's" http://sks.to/arctic1940
218 "Arctic sea ice extent was lower in the past" http://sks.to/pastarctic
226 "97% consensus on human-caused global warming has been disproven" http://sks.to/robust97
228 "IPCC human-caused global warming attribution confidence is unfounded" http://sks.to/confidence
229 "IPCC global warming projections were wrong" http://sks.to/projections
230 "IPCC admits global warming has paused" http://sks.to/ipccpause
232 "Heatwaves have happened before" http://sks.to/heatwave


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