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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
Temp record is unreliable
Animals and plants can adapt
It hasn't warmed since 1998
Antarctica is gaining ice
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Skeptic Arguments

This is a list of every skeptic argument encountered online as well as how often each argument is used. How this is calculated...

1 Climate's changed before 4.6% past
2 It's the sun 4.6% sun
3 It's not bad 4.2% impacts
4 There is no consensus 3.4% consensus
5 It's cooling 3.3% cooling
6 Models are unreliable 3.1% model
7 Temp record is unreliable 2.6% temp
8 Animals and plants can adapt 2.4% species
9 It hasn't warmed since 1998 2.1% 1998
10 Antarctica is gaining ice 2.0% antarctica
11 Ice age predicted in the 70s 1.9% 1970s
12 CO2 lags temperature 1.9% lag
13 Climate sensitivity is low 1.9% sensitivity
14 We're heading into an ice age 1.8% iceage
15 Ocean acidification isn't serious 1.8% acid
16 Hockey stick is broken 1.8% hockey
17 Climategate CRU emails suggest conspiracy 1.7% climategate
18 Hurricanes aren't linked to global warming 1.7% hurricane
19 Al Gore got it wrong 1.6% gore
20 Glaciers are growing 1.6% glacier
21 It's cosmic rays 1.6% cosmic
22 1934 - hottest year on record 1.5% 1934
23 It's freaking cold! 1.4% cold
24 Sea level rise is exaggerated 1.4% sealevel
25 It's Urban Heat Island effect 1.3% uhi
26 Medieval Warm Period was warmer 1.2% mwp
27 Mars is warming 1.2% mars
28 Arctic icemelt is a natural cycle 1.2% arcticcycle
29 Increasing CO2 has little to no effect 1.1% greenhouse
30 Oceans are cooling 1.1% oceanheat
31 Human CO2 is a tiny % of CO2 emissions 1.0% co2
32 IPCC is alarmist 1.0% underestimat
33 Water vapor is the most powerful greenhouse gas 0.9% vapor
34 Polar bear numbers are increasing 0.9% bear
35 CO2 limits will harm the economy 0.9% economy
36 It's not happening 0.9% warming
37 Greenland was green 0.8% green
38 Greenland is gaining ice 0.8% greenland
39 CO2 is not a pollutant 0.8% pollutant
40 CO2 is plant food 0.8% plant
41 Other planets are warming 0.7% planets
42 Arctic sea ice has recovered 0.7% arctic
43 There's no empirical evidence 0.7% evidence
44 There's no correlation between CO2 and temperature 0.7% correlate
45 We're coming out of the Little Ice Age 0.7% lia
46 It cooled mid-century 0.7% midcentury
47 CO2 was higher in the past 0.6% pastco2
48 Global warming stopped in 1998, 1995, 2002, 2007, 2010, ???? 0.6% stopped
49 It warmed before 1940 when CO2 was low 0.6% pre1940
50 Satellites show no warming in the troposphere 0.6% troposphere
51 It's aerosols 0.6% aerosols
52 2009-2010 winter saw record cold spells 0.5% winter
53 It's El Niño 0.5% elnino
54 There's no tropospheric hot spot 0.5% hotspot
55 It's not us 0.5% agw
56 It's a natural cycle 0.5% cycle
57 It's Pacific Decadal Oscillation 0.5% pdo
58 Mt. Kilimanjaro's ice loss is due to land use 0.5% kilimanjaro
59 IPCC were wrong about Himalayan glaciers 0.5% himalaya
60 Scientists can't even predict weather 0.5% weather
61 2nd law of thermodynamics contradicts greenhouse theory 0.4% thermo
62 Greenhouse effect has been falsified 0.4% falsify
63 The science isn't settled 0.4% settled
64 Clouds provide negative feedback 0.4% cloud
65 Sea level rise predictions are exaggerated 0.4% seapredict
66 It's the ocean 0.4% ocean
67 IPCC were wrong about Amazon rainforests 0.4% amazon
68 Corals are resilient to bleaching 0.4% bleach
69 Volcanoes emit more CO2 than humans 0.4% volcano
70 CO2 effect is saturated 0.4% saturate
71 Greenland ice sheet won't collapse 0.4% icecollapse
72 It's methane 0.3% methane
73 CO2 has a short residence time 0.3% residence
74 CO2 measurements are suspect 0.3% co2data
75 Humidity is falling 0.3% humidity
76 500 scientists refute the consensus 0.3% 500
77 Springs aren't advancing 0.3% spring
78 Neptune is warming 0.3% neptune
79 It's land use 0.3% landuse
80 Jupiter is warming 0.3% jupiter
81 Scientists tried to 'hide the decline' in global temperature 0.3% decline
82 CO2 is not increasing 0.3% co2up
83 Record snowfall disproves global warming 0.3% snowfall
84 They changed the name from 'global warming' to 'climate change' 0.3% name
85 Solar Cycle Length proves its the sun 0.2% scl
86 Peer review process was corrupted 0.2% peerreview
87 CO2 is coming from the ocean 0.2% oceanco2
88 IPCC overestimate temperature rise 0.2% overestimate
89 CO2 is not the only driver of climate 0.2% driver
90 Southern sea ice is increasing 0.2% southice
91 Phil Jones says no global warming since 1995 0.2% 1995
92 It's microsite influences 0.2% microsite
93 Lindzen and Choi find low climate sensitivity 0.2% lindzenchoi
94 Dropped stations introduce warming bias 0.2% dropped
95 It's too hard 0.2% toohard
96 Humans are too insignificant to affect global climate 0.2% significant
97 It's albedo 0.2% albedo
98 Tree-rings diverge from temperature after 1960 0.2% diverge
99 Roy Spencer finds negative feedback 0.2% negspencer
100 Hansen's 1988 prediction was wrong 0.2% hansen1988
101 Earth hasn't warmed as much as expected 0.2% inertia
102 It's global brightening 0.2% bright
103 Arctic sea ice loss is matched by Antarctic sea ice gain 0.2% seaice
104 It's a climate regime shift 0.2% shift
105 Less than half of published scientists endorse global warming 0.2% schulte
106 Solar cycles cause global warming 0.2% solarcycle
107 Ice isn't melting 0.2% icemelt
108 Over 31,000 scientists signed the OISM Petition Project 0.2% oism
109 Climate is chaotic and cannot be predicted 0.1% chaos
110 The IPCC consensus is phoney 0.1% hulme
111 It's ozone 0.1% ozone
112 Freedom of Information (FOI) requests were ignored 0.1% foi
113 A drop in volcanic activity caused warming 0.1% volcanodrop
114 Tuvalu sea level isn't rising 0.1% tuvalu
115 Naomi Oreskes' study on consensus was flawed 0.1% oreskes
116 Trenberth can't account for the lack of warming 0.1% trenberth
117 Renewables can't provide baseload power 0.1% baseload
118 Ice Sheet losses are overestimated 0.1% iceloss
119 CRU tampered with temperature data 0.1% tamper
120 Breathing contributes to CO2 buildup 0.1% breath
121 Melting ice isn't warming the Arctic 0.1% amplify
122 Soares finds lack of correlation between CO2 and temperature 0.1% soares
123 Satellite error inflated Great Lakes temperatures 0.1% greatlake
124 Murry Salby finds CO2 rise is natural 0.1% salby
125 We're heading into cooling 0.1% futurecool
126 Most of the last 10,000 years were warmer 0.1% 10000
127 The sun is getting hotter 0.1% acrim
128 An exponential increase in CO2 will result in a linear increase in temperature 0.1% linear
129 CO2 emissions do not correlate with CO2 concentration 0.1% co2conc
130 Water vapor in the stratosphere stopped global warming 0.1% stratosphere
131 It's waste heat 0.1% waste
132 It warmed just as fast in 1860-1880 and 1910-1940 0.1% trends
133 Record high snow cover was set in winter 2008/2009 0.1% snowcover
134 Mauna Loa is a volcano 0.1% mauna
135 CERN CLOUD experiment proved cosmic rays are causing global warming 0.1% CERN
136 Antarctica is too cold to lose ice 0.0% toocold
137 Positive feedback means runaway warming 0.0% runaway
138 Skeptics were kept out of the IPCC? 0.0% ipccskeptic
139 CO2 was higher in the late Ordovician 0.0% ordovician
140 Water levels correlate with sunspots 0.0% watersun
141 Warming causes CO2 rise 0.0% warmco2
142 It's CFCs 0.0% cfc
143 Scientists retracted claim that sea levels are rising 0.0% searetract
144 DMI show cooling Arctic 0.0% dmi
145 Greenland has only lost a tiny fraction of its ice mass 0.0% icefraction
146 It's only a few degrees 0.0% fewdegrees
147 Royal Society embraces skepticism 0.0% royalsoc
148 97% consensus on human-caused global warming has been disproven 0.0% robust97
149 Sea level fell in 2010 0.0% slr2010
150 Arctic sea ice extent was lower in the past 0.0% pastarctic
151 CO2 only causes 35% of global warming 0.0% 35percent
152 It's satellite microwave transmissions 0.0% microwave
153 Loehle and Scafetta find a 60 year cycle causing global warming 0.0% loehle
154 Postma disproved the greenhouse effect 0.0% postma
155 We didn't have global warming during the Industrial Revolution 0.0% industrial


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