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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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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: 15612

1 Models are unreliable 15.9%
2 Temp record is unreliable 7.2%
3 Hockey stick is broken 4.9%
4 Climate's changed before 4.2%
5 It's the sun 3.1%
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 Al Gore got it wrong 1.0%
23 Ice age predicted in the 70s 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 Phil Jones says no global warming since 1995 0.8%
32 Volcanoes emit more CO2 than humans 0.8%
33 Climate sensitivity is low 0.7%
34 Oceans are cooling 0.7%
35 Sea level rise predictions are exaggerated 0.7%
36 We're coming out of the Little Ice Age 0.7%
37 Ice isn't melting 0.7%
38 CO2 was higher in the past 0.6%
39 2009-2010 winter saw record cold spells 0.6%
40 IPCC is alarmist 0.6%
41 Human CO2 is a tiny % of CO2 emissions 0.6%
42 It's a natural cycle 0.6%
43 IPCC were wrong about Himalayan glaciers 0.5%
44 The science isn't settled 0.5%
45 Dropped stations introduce warming bias 0.5%
46 It's microsite influences 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 Less than half of published scientists endorse global warming 0.4%
52 Record snowfall disproves 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 0.3%
57 Solar cycles cause global warming 0.3%
58 CO2 effect is saturated 0.3%
59 Over 31,000 scientists signed the OISM Petition Project 0.3%
60 There's no correlation between CO2 and temperature 0.3%
61 Hansen's 1988 prediction was wrong 0.3%
62 Scientists tried to 'hide the decline' in global temperature 0.3%
63 Greenland is gaining ice 0.3%
64 Arctic sea ice has recovered 0.3%
65 Other planets are warming 0.3%
66 CO2 has a short residence time 0.3%
67 Earth hasn't warmed as much as expected 0.3%
68 They changed the name from 'global warming' to 'climate change' 0.3%
69 CO2 only causes 35% of global warming 0.3%
70 Ocean acidification isn't serious 0.3%
71 Mars is warming 0.3%
72 Trenberth can't account for the lack of warming 0.3%
73 Melting ice isn't warming the Arctic 0.3%
74 Warming causes CO2 rise 0.3%
75 It cooled mid-century 0.3%
76 It's cosmic rays 0.3%
77 500 scientists refute the consensus 0.2%
78 Peer review process was corrupted 0.2%
79 CO2 is plant food 0.2%
80 Murry Salby finds CO2 rise is natural 0.2%
81 CO2 is not the only driver of climate 0.2%
82 The IPCC consensus is phoney 0.2%
83 Climate is chaotic and cannot be predicted 0.2%
84 It's El Niño 0.2%
85 Satellite error inflated Great Lakes temperatures 0.2%
86 CRU tampered with temperature data 0.2%
87 The sun is getting hotter 0.2%
88 Greenhouse effect has been falsified 0.2%
89 We're heading into cooling 0.2%
90 Mt. Kilimanjaro's ice loss is due to land use 0.2%
91 It's methane 0.2%
92 Naomi Oreskes' study on consensus was flawed 0.2%
93 CO2 measurements are suspect 0.2%
94 Humidity is falling 0.2%
95 Lindzen and Choi find low climate sensitivity 0.2%
96 2nd law of thermodynamics contradicts greenhouse theory 0.2%
97 Neptune is warming 0.2%
98 IPCC overestimate temperature rise 0.2%
99 Solar Cycle Length proves its the sun 0.1%
100 Extreme weather isn't caused by global warming 0.1%
101 It warmed before 1940 when CO2 was low 0.1%
102 It's a climate regime shift 0.1%
103 Jupiter is warming 0.1%
104 It's albedo 0.1%
105 It's CFCs 0.1%
106 Springs aren't advancing 0.1%
107 Scientists retracted claim that sea levels are rising 0.1%
108 IPCC were wrong about Amazon rainforests 0.1%
109 CO2 was higher in the late Ordovician 0.1%
110 Hurricanes aren't linked to global warming 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 Positive feedback means runaway warming 0.1%
115 Southern sea ice is increasing 0.1%
116 Postma disproved the greenhouse effect 0.1%
117 It warmed just as fast in 1860-1880 and 1910-1940 0.1%
118 Roy Spencer finds negative feedback 0.1%
119 We didn't have global warming during the Industrial Revolution 0.1%
120 Pluto is warming 0.1%
121 Record high snow cover was set in winter 2008/2009 0.1%
122 A drop in volcanic activity caused warming 0.1%
123 Royal Society embraces skepticism 0.1%
124 Tuvalu sea level isn't rising 0.1%
125 It's aerosols 0.1%
126 Breathing contributes to CO2 buildup 0.1%
127 Ice Sheet losses are overestimated 0.1%
128 It's Pacific Decadal Oscillation 0.1%
129 Freedom of Information (FOI) requests were ignored 0.1%
130 CO2 is coming from the ocean 0.1%
131 There's no tropospheric hot spot 0.1%
132 Skeptics were kept out of the IPCC? 0.1%
133 Most of the last 10,000 years were warmer 0.1%
134 Water levels correlate with sunspots 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 Mauna Loa is a volcano 0.1%
140 It's the ocean 0.1%
141 Soares finds lack of correlation between CO2 and temperature 0.1%
142 Arctic sea ice extent was lower in the past 0.1%
143 It's waste heat 0.1%
144 Corals are resilient to bleaching 0.1%
145 Arctic sea ice loss is matched by Antarctic sea ice gain 0.1%
146 It's satellite microwave transmissions 0.0%
147 97% consensus on human-caused global warming has been disproven 0.0%
148 It's land use 0.0%
149 Water vapor in the stratosphere stopped global warming 0.0%
150 An exponential increase in CO2 will result in a linear increase in temperature 0.0%
151 CERN CLOUD experiment proved cosmic rays are causing global warming 0.0%
152 CO2 emissions do not correlate with CO2 concentration 0.0%
153 Loehle and Scafetta find a 60 year cycle causing global warming 0.0%
154 It's global brightening 0.0%
155 Sea level fell in 2010 0.0%


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