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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.

CLAM Bake!

Climate Learning and Modeling Development Environment

CLAM Bake is a complete Python programming environment that allows you to code and run simple climate computer programs.

Getting Started

Use the buttons to toggle between this page, the code editor, the console output, the interaction window and the graphics canvas.

Introduction to CLAM Bake

This development environment provides access to:

Editor — A place to enter Python programs.
Console — A place to view the output of programs.
Canvas — A place where graphics can be drawn.
Library — A place where multiple programs can be save or loaded.

Credits and Thanks

The core of CLAM Bake is Skulpt, the Python to Javascript translator developed by Scott Graham.

The editor, CodeMirror, was developed by Marijn Haverbeke.

Python itself is a robust high-level programming language created by its Benevolent Dictator for Life, Guido van Rossum.

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The Consensus Project

Translations

About Donate

	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
	View All Arguments...

Latest Posts

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: 10247

1	Temp record is unreliable	9.6%
2	Hockey stick is broken	6.3%
3	Climate's changed before	4.9%
4	It's the sun	4.1%
5	There's no empirical evidence	3.7%
6	1934 - hottest year on record	2.8%
7	It's cooling	2.7%
8	There is no consensus	2.7%
9	It's freaking cold!	2.6%
10	It hasn't warmed since 1998	2.0%
11	Antarctica is gaining ice	1.9%
12	It's a 1500 year cycle	1.8%
13	It's not bad	1.8%
14	Polar bear numbers are increasing	1.8%
15	We're heading into an ice age	1.7%
16	Increasing CO2 has little to no effect	1.6%
17	Medieval Warm Period was warmer	1.6%
18	Tree-rings diverge from temperature after 1960	1.5%
19	Al Gore got it wrong	1.4%
20	Animals and plants can adapt	1.3%
21	It's Urban Heat Island effect	1.3%
22	CO2 limits will harm the economy	1.2%
23	Ice age predicted in the 70s	1.2%
24	Models are unreliable	1.1%
25	CO2 is not a pollutant	1.1%
26	Climategate CRU emails suggest conspiracy	1.1%
27	Volcanoes emit more CO2 than humans	1.0%
28	Greenland was green	1.0%
29	Oceans are cooling	0.9%
30	Sea level rise predictions are exaggerated	0.9%
31	2009-2010 winter saw record cold spells	0.9%
32	Ice isn't melting	0.8%
33	Climate sensitivity is low	0.8%
34	Renewables can't provide baseload power	0.8%
35	CO2 lags temperature	0.8%
36	Phil Jones says no global warming since 1995	0.8%
37	We're coming out of the Little Ice Age	0.8%
38	CO2 was higher in the past	0.8%
39	Human CO2 is a tiny % of CO2 emissions	0.7%
40	Global warming stopped in ~~1998~~, ~~1995~~, ~~2002~~, ~~2007~~, ~~2010~~, ????	0.7%
41	Greenland ice sheet won't collapse	0.7%
42	It's a natural cycle	0.6%
43	It's microsite influences	0.6%
44	IPCC were wrong about Himalayan glaciers	0.6%
45	Less than half of published scientists endorse global warming	0.5%
46	Dropped stations introduce warming bias	0.5%
47	The science isn't settled	0.5%
48	Glaciers are growing	0.5%
49	Sea level rise is exaggerated	0.5%
50	Water vapor is the most powerful greenhouse gas	0.5%
51	Arctic icemelt is a natural cycle	0.5%
52	IPCC is alarmist	0.5%
53	Record snowfall disproves global warming	0.5%
54	Solar cycles cause global warming	0.5%
55	Humans are too insignificant to affect global climate	0.5%
56	It's only a few degrees	0.4%
57	Greenland is gaining ice	0.4%
58	Other planets are warming	0.4%
59	CO2 effect is saturated	0.4%
60	Scientists can't even predict weather	0.4%
61	Mars is warming	0.4%
62	It cooled mid-century	0.4%
63	Over 31,000 scientists signed the OISM Petition Project	0.4%
64	Melting ice isn't warming the Arctic	0.3%
65	CO2 only causes 35% of global warming	0.3%
66	It's cosmic rays	0.3%
67	It's El Niño	0.3%
68	There's no correlation between CO2 and temperature	0.3%
69	Scientists tried to 'hide the decline' in global temperature	0.3%
70	Ocean acidification isn't serious	0.3%
71	CO2 has a short residence time	0.3%
72	CO2 is not the only driver of climate	0.3%
73	The sun is getting hotter	0.3%
74	Greenhouse effect has been falsified	0.2%
75	Extreme weather isn't caused by global warming	0.2%
76	Neptune is warming	0.2%
77	Earth hasn't warmed as much as expected	0.2%
78	Solar Cycle Length proves its the sun	0.2%
79	Mt. Kilimanjaro's ice loss is due to land use	0.2%
80	CO2 measurements are suspect	0.2%
81	500 scientists refute the consensus	0.2%
82	Naomi Oreskes' study on consensus was flawed	0.2%
83	Peer review process was corrupted	0.2%
84	It's a climate regime shift	0.2%
85	Lindzen and Choi find low climate sensitivity	0.2%
86	It's CFCs	0.2%
87	Hurricanes aren't linked to global warming	0.2%
88	It's methane	0.2%
89	Jupiter is warming	0.2%
90	Arctic sea ice has recovered	0.2%
91	2nd law of thermodynamics contradicts greenhouse theory	0.2%
92	Humidity is falling	0.2%
93	Scientists retracted claim that sea levels are rising	0.2%
94	IPCC were wrong about Amazon rainforests	0.2%
95	Hansen's 1988 prediction was wrong	0.2%
96	CRU tampered with temperature data	0.2%
97	Satellite error inflated Great Lakes temperatures	0.2%
98	It warmed before 1940 when CO2 was low	0.2%
99	The IPCC consensus is phoney	0.2%
100	Trenberth can't account for the lack of warming	0.2%
101	Climate is chaotic and cannot be predicted	0.1%
102	Pluto is warming	0.1%
103	Greenland has only lost a tiny fraction of its ice mass	0.1%
104	Springs aren't advancing	0.1%
105	It's Pacific Decadal Oscillation	0.1%
106	We didn't have global warming during the Industrial Revolution	0.1%
107	They changed the name from global warming to climate change	0.1%
108	A drop in volcanic activity caused warming	0.1%
109	CO2 is coming from the ocean	0.1%
110	CO2 was higher in the late Ordovician	0.1%
111	DMI show cooling Arctic	0.1%
112	It's albedo	0.1%
113	Breathing contributes to CO2 buildup	0.1%
114	It's aerosols	0.1%
115	Warming causes CO2 rise	0.1%
116	Ice Sheet losses are overestimated	0.1%
117	Antarctica is too cold to lose ice	0.1%
118	It warmed just as fast in 1860-1880 and 1910-1940	0.1%
119	Royal Society embraces skepticism	0.1%
120	There's no tropospheric hot spot	0.1%
121	It's ozone	0.1%
122	Southern sea ice is increasing	0.1%
123	Roy Spencer finds negative feedback	0.1%
124	IPCC overestimate temperature rise	0.1%
125	Satellites show no warming in the troposphere	0.1%
126	We're heading into cooling	0.1%
127	It's the ocean	0.1%
128	Positive feedback means runaway warming	0.1%
129	CO2 is not increasing	0.1%
130	Water levels correlate with sunspots	0.1%
131	Clouds provide negative feedback	0.1%
132	Postma disproved the greenhouse effect	0.1%
133	It's waste heat	0.1%
134	Record high snow cover was set in winter 2008/2009	0.1%
135	It's land use	0.1%
136	CO2 is plant food	0.1%
137	Soares finds lack of correlation between CO2 and temperature	0.1%
138	Most of the last 10,000 years were warmer	0.1%
139	Arctic sea ice extent was lower in the past	0.1%
140	Skeptics were kept out of the IPCC?	0.1%
141	It's satellite microwave transmissions	0.0%
142	Freedom of Information (FOI) requests were ignored	0.0%
143	Tuvalu sea level isn't rising	0.0%
144	CERN CLOUD experiment proved cosmic rays are causing global warming	0.0%
145	Water vapor in the stratosphere stopped global warming	0.0%
146	Arctic sea ice loss is matched by Antarctic sea ice gain	0.0%
147	Mauna Loa is a volcano	0.0%
148	Corals are resilient to bleaching	0.0%
149	CO2 emissions do not correlate with CO2 concentration	0.0%
150	An exponential increase in CO2 will result in a linear increase in temperature	0.0%
151	Loehle and Scafetta find a 60 year cycle causing global warming	0.0%
152	Murry Salby finds CO2 rise is natural	0.0%
153	It's global brightening	0.0%