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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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Animals and plants can adapt
It hasn't warmed since 1998
Antarctica is gaining ice
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Climate Hustle

Skeptical Science iPhone Reports

Here are global warming skeptic arguments ranked by how often they've been reported from the Skeptical Science iPhone app. You can download the iPhone app for free from http://itunes.com/apps/skepticalscience.

Total # of reports submitted: 15853

1 Models are unreliable 15.7%
2 Temp record is unreliable 7.3%
3 Hockey stick is broken 4.9%
4 Climate's changed before 4.2%
5 It's the sun 3.0%
6 There's no empirical evidence 2.8%
7 There is no consensus 2.3%
8 It's cooling 2.2%
9 1934 - hottest year on record 2.2%
10 CO2 limits will harm the economy 2.1%
11 It's freaking cold! 1.9%
12 It hasn't warmed since 1998 1.9%
13 Antarctica is gaining ice 1.6%
14 Medieval Warm Period was warmer 1.5%
15 Renewables can't provide baseload power 1.3%
16 We're heading into an ice age 1.3%
17 Polar bear numbers are increasing 1.3%
18 Increasing CO2 has little to no effect 1.3%
19 Tree-rings diverge from temperature after 1960 1.2%
20 It's not bad 1.2%
21 It's a 1500 year cycle 1.2%
22 Ice age predicted in the 70s 1.1%
23 Al Gore got it wrong 1.0%
24 CO2 is not a pollutant 1.0%
25 It's Urban Heat Island effect 1.0%
26 Animals and plants can adapt 1.0%
27 Climategate CRU emails suggest conspiracy 1.0%
28 CO2 lags temperature 0.9%
29 Greenland was green 0.8%
30 Global warming stopped in 1998, 1995, 2002, 2007, 2010, ???? 0.8%
31 Volcanoes emit more CO2 than humans 0.8%
32 Phil Jones says no global warming since 1995 0.8%
33 Oceans are cooling 0.7%
34 Climate sensitivity is low 0.7%
35 We're coming out of the Little Ice Age 0.7%
36 Sea level rise predictions are exaggerated 0.7%
37 Ice isn't melting 0.7%
38 CO2 was higher in the past 0.6%
39 It's a natural cycle 0.6%
40 2009-2010 winter saw record cold spells 0.6%
41 IPCC is alarmist 0.6%
42 Human CO2 is a tiny % of CO2 emissions 0.6%
43 IPCC were wrong about Himalayan glaciers 0.5%
44 It's microsite influences 0.5%
45 The science isn't settled 0.5%
46 Dropped stations introduce warming bias 0.5%
47 Greenland ice sheet won't collapse 0.5%
48 Water vapor is the most powerful greenhouse gas 0.4%
49 Glaciers are growing 0.4%
50 Arctic icemelt is a natural cycle 0.4%
51 Record snowfall disproves global warming 0.4%
52 Less than half of published scientists endorse global warming 0.4%
53 Sea level rise is exaggerated 0.4%
54 Humans are too insignificant to affect global climate 0.4%
55 Scientists can't even predict weather 0.4%
56 It's only a few degrees 0.4%
57 CO2 effect is saturated 0.3%
58 Solar cycles cause global warming 0.3%
59 Over 31,000 scientists signed the OISM Petition Project 0.3%
60 Greenland is gaining ice 0.3%
61 There's no correlation between CO2 and temperature 0.3%
62 Hansen's 1988 prediction was wrong 0.3%
63 Scientists tried to 'hide the decline' in global temperature 0.3%
64 Other planets are warming 0.3%
65 CO2 has a short residence time 0.3%
66 Arctic sea ice has recovered 0.3%
67 Earth hasn't warmed as much as expected 0.3%
68 CO2 only causes 35% of global warming 0.3%
69 They changed the name from 'global warming' to 'climate change' 0.3%
70 Ocean acidification isn't serious 0.3%
71 Mars is warming 0.3%
72 Melting ice isn't warming the Arctic 0.3%
73 It cooled mid-century 0.3%
74 Trenberth can't account for the lack of warming 0.3%
75 500 scientists refute the consensus 0.3%
76 Warming causes CO2 rise 0.3%
77 CO2 is plant food 0.3%
78 It's cosmic rays 0.3%
79 Peer review process was corrupted 0.2%
80 The IPCC consensus is phoney 0.2%
81 Murry Salby finds CO2 rise is natural 0.2%
82 CO2 is not the only driver of climate 0.2%
83 Climate is chaotic and cannot be predicted 0.2%
84 Satellite error inflated Great Lakes temperatures 0.2%
85 It's El Niño 0.2%
86 Greenhouse effect has been falsified 0.2%
87 CRU tampered with temperature data 0.2%
88 We're heading into cooling 0.2%
89 The sun is getting hotter 0.2%
90 Mt. Kilimanjaro's ice loss is due to land use 0.2%
91 It's methane 0.2%
92 2nd law of thermodynamics contradicts greenhouse theory 0.2%
93 Naomi Oreskes' study on consensus was flawed 0.2%
94 CO2 measurements are suspect 0.2%
95 Neptune is warming 0.2%
96 IPCC overestimate temperature rise 0.2%
97 Humidity is falling 0.2%
98 Lindzen and Choi find low climate sensitivity 0.2%
99 It's a climate regime shift 0.1%
100 Jupiter is warming 0.1%
101 Solar Cycle Length proves its the sun 0.1%
102 It's albedo 0.1%
103 Extreme weather isn't caused by global warming 0.1%
104 It warmed before 1940 when CO2 was low 0.1%
105 It's CFCs 0.1%
106 CO2 was higher in the late Ordovician 0.1%
107 Springs aren't advancing 0.1%
108 Hurricanes aren't linked to global warming 0.1%
109 Scientists retracted claim that sea levels are rising 0.1%
110 IPCC were wrong about Amazon rainforests 0.1%
111 DMI show cooling Arctic 0.1%
112 Greenland has only lost a tiny fraction of its ice mass 0.1%
113 Antarctica is too cold to lose ice 0.1%
114 Southern sea ice is increasing 0.1%
115 Postma disproved the greenhouse effect 0.1%
116 It warmed just as fast in 1860-1880 and 1910-1940 0.1%
117 Positive feedback means runaway warming 0.1%
118 We didn't have global warming during the Industrial Revolution 0.1%
119 Royal Society embraces skepticism 0.1%
120 Roy Spencer finds negative feedback 0.1%
121 Pluto is warming 0.1%
122 Record high snow cover was set in winter 2008/2009 0.1%
123 A drop in volcanic activity caused warming 0.1%
124 Skeptics were kept out of the IPCC? 0.1%
125 Tuvalu sea level isn't rising 0.1%
126 Freedom of Information (FOI) requests were ignored 0.1%
127 CO2 is coming from the ocean 0.1%
128 There's no tropospheric hot spot 0.1%
129 It's aerosols 0.1%
130 Breathing contributes to CO2 buildup 0.1%
131 Ice Sheet losses are overestimated 0.1%
132 It's Pacific Decadal Oscillation 0.1%
133 Water levels correlate with sunspots 0.1%
134 Most of the last 10,000 years were warmer 0.1%
135 Satellites show no warming in the troposphere 0.1%
136 Clouds provide negative feedback 0.1%
137 It's ozone 0.1%
138 CO2 is not increasing 0.1%
139 97% consensus on human-caused global warming has been disproven 0.1%
140 Arctic sea ice extent was lower in the past 0.1%
141 Mauna Loa is a volcano 0.1%
142 It's the ocean 0.1%
143 Corals are resilient to bleaching 0.1%
144 Soares finds lack of correlation between CO2 and temperature 0.1%
145 Arctic sea ice loss is matched by Antarctic sea ice gain 0.1%
146 It's waste heat 0.1%
147 CERN CLOUD experiment proved cosmic rays are causing global warming 0.0%
148 Sea level fell in 2010 0.0%
149 It's satellite microwave transmissions 0.0%
150 Water vapor in the stratosphere stopped global warming 0.0%
151 It's land use 0.0%
152 An exponential increase in CO2 will result in a linear increase in temperature 0.0%
153 Loehle and Scafetta find a 60 year cycle causing global warming 0.0%
154 CO2 emissions do not correlate with CO2 concentration 0.0%
155 Removing all CO2 would make little difference 0.0%
156 It's global brightening 0.0%
157 Heatwaves have happened before 0.0%
158 Arctic was warmer in 1940 0.0%
159 Arctic Storm Caused the 2012 Record Sea Ice Minimum 0.0%
160 Climate 'Skeptics' are like Galileo 0.0%
161 CO2 limits will make little difference 0.0%
162 IPCC human-caused global warming attribution confidence is unfounded 0.0%
163 Sea level is not rising 0.0%
164 Venus doesn't have a runaway greenhouse effect 0.0%
165 Animal agriculture and eating meat are the biggest causes of global warming 0.0%
166 IPCC ‘disappeared’ the Medieval Warm Period 0.0%
167 It's clouds 0.0%
168 Adapting to global warming is cheaper than preventing it 0.0%
169 Renewable energy investment kills jobs 0.0%
170 CO2 increase is natural, not human-caused 0.0%
171 IPCC graph showing accelerating trends is misleading 0.0%


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