By Issue
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1. There's nothing happening
=== 1. Inadequate evidence ===
* There is no evidence
- Isotopic Signature Rasmus Benestad
- NASA Earth Observatory by Holli Riebeek NASA
* One record year is not global warming
- What's the Difference Between Weather and Climate? NASA
* The temperature record is simply unreliable
* One hundred years is not enough
- List from World Data Center for Paleoclimatology NCDC/NOAA
- Complete List on Single Page OSS Foundation
* Glaciers have always grown and receded
* Myth: Warming is due to the Urban Heat Island effect
* Mauna Loa is a volcano
* The scientists aren't even sure
=== 2. Contradictory evidence ===
* It's cold today in Wagga Wagga
* Antarctic ice is growing
* The satellites show cooling
* What about mid-century cooling?
* Global warming stopped in 1998
* But the glaciers are not melting
* Antarctic sea ice is increasing
* Observations show climate sensitivity is not very high
* Sea level in the Arctic is falling
* Some sites show cooling
3. No consensus NOt sure how to do internal link http://www.realclimate.org/index.php?p=80
* Global warming is a hoax
* There is no consensus
- Dictionary Definition Merriam Webster
* Position statements hide debate
* Consensus is collusion
* Peiser refuted Oreskes
== 2. We don't know why it's happening ==
== 1. Models don't work ==
* We cannot trust unproven computer models
* The models don't have clouds
* If aerosols are blocking the sun, the south should warm faster
* Observations show climate sensitivity is not very high
2. Prediction is impossible
* We can't even predict the weather next week
* Chaotic systems are not predictable
3. We can't be sure
* Hansen has been wrong before
* If we can't understand the past, how can we understand the present?
* The scientists aren't even sure
* They predicted global cooling in the 1970s
3. Climate change is natural
1. It happened before
* It was warmer during the Holocene Climatic Optimum
* The medieval warm period was just as warm as today
* Greenland used to be green
* Global warming is nothing new!
* The hockey stick is broken
* Vineland was full of grapes
2. It's part of a natural change
* Current global warming is just part of a natural cycle
* Mars and Pluto are warming too
* CO2 in the air comes mostly from volcanoes
* The null hypothesis says global warming is natural
* Climate is always changing
* Natural emissions dwarf human emissions
* The CO2 rise is natural
* We are just recovering from the LIA
3. It's not caused by CO2
* Climate scientists dodge the subject of water vapor
* Water vapor accounts for almost all of the greenhouse effect
* There is no proof that CO2 is causing global warming
* Mars and Pluto are warming too
* CO2 doesn't lead, it lags
* What about mid-century cooling?
* Geological history does not support CO2's importance
* Historically, CO2 never caused temperature change
* It's the sun, stupid
4. Climate change is not bad
1. The effects are good
* What's wrong with warmer weather?
2. The effects are minor
3. Change is normal
5. Climate change can't be stopped
1. Too late
* Kyoto is a big effort for almost nothing
2. It's someone else's problem
* Why should the U.S. join Kyoto when China and India haven't?
* The U.S. is a net CO2 sink
3. Economically infeasible
* Climate change mitigation would lead to disaster
Scientific Topics
1. Temperature
* There is no evidence
* The temperature record is simply unreliable
* One hundred years is not enough
* Current global warming is just part of a natural cycle
* What's wrong with warmer weather?
* It's cold today in Wagga Wagga
* Myth: Warming is due to the Urban Heat Island effect
* The satellites show cooling
* Global warming stopped in 1998
* They predicted global cooling in the 1970s
* Some sites show cooling
2. Atmosphere
3. Extreme events
1. Temperature records
* One record year is not global warming
* It's cold today in Wagga Wagga
2. Storms
3. Droughts
4. Cryosphere
1. Glaciers
* Glaciers have always grown and receded
* But the glaciers are not melting
2. Sea ice
* Antarctic sea ice is increasing
3. Ice sheets
* Antarctic ice is growing
* Greenland used to be green
5. Oceans
* Sea level in the Arctic is falling
6. Modeling
1. Scenarios
* Kyoto is a big effort for almost nothing
* Hansen has been wrong before
2. Uncertainties
* We can't even predict the weather next week
* Chaotic systems are not predictable
* We cannot trust unproven computer models
* The models don't have clouds
7. Climate forcings
1. Solar influences
* Mars and Pluto are warming too
* It's the sun, stupid
2. Greenhouse gases
* Climate scientists dodge the subject of water vapor
* Water vapor accounts for almost all of the greenhouse effect
* There is no proof that CO2 is causing global warming
* CO2 doesn't lead, it lags
* CO2 in the air comes mostly from volcanoes
* What about mid-century cooling?
* Geological history does not support CO2's importance
* Natural emissions dwarf human emissions
* Mauna Loa is a volcano
* The CO2 rise is natural
* Historically, CO2 never caused temperature change
* The US is a net CO2 sink
* Observations show climate sensitivity is not very high
3. Aerosols
* What about mid-century cooling?
* If aerosols are blocking the sun, the south should warm faster
8. Paleo climate
1. Holocene
* It was warmer during the Holocene Climatic Optimum
* The medieval warm period was just as warm as today
* Greenland used to be green
* The hockey stick is broken
* Vineland was full of grapes
* We are just recovering from the LIA
2. Ice ages
* CO2 doesn't lead, it lags
* Global warming is nothing new!
3. Geologic history
* What's wrong with warmer weather?
* Geological history does not support CO2's importance
* Climate is always changing
* Historically, CO2 never caused temperature change
* If we can't understand the past, how can we understand the present?
9. Scientific process
* Global warming is a hoax
* There is no proof that CO2 is causing global warming
* There is no consensus
* The null hypothesis says global warming is natural
* Position statements hide debate
* If we can't understand the past, how can we understand the present?
* The scientists aren't even sure
* Consensus is collusion
* Peiser refuted Oreskes
Types of Argument
1. Uninformed
* There is no evidence
* One record year is not global warming
* One hundred years is not enough
* There is no proof that CO2 is causing global warming
* What's wrong with warmer weather?
* Climate change mitigation would lead to disaster
* There is no consensus
* We cannot trust unproven computer models
2. Misinformed
* It was warmer during the Holocene Climatic Optimum
* The medieval warm period was just as warm as today
* Antarctic ice is growing
* CO2 in the air comes mostly from volcanoes
* Greenland used to be green
* The satellites show cooling
* Natural emissions dwarf human emissions
* It's the sun, stupid
* The U.S. is a net CO2 sink
* But the glaciers are not melting
* Antarctic sea ice is increasing
* They predicted global cooling in the 1970s
* Vineland was full of grapes
3. Cherry Picking
* It's cold today in Wagga Wagga
* Antarctic sea ice is growing
* The satellites show cooling
* Global warming stopped in 1998
* Antarctic sea ice is increasing
* Vineland was full of grapes
* Observations show climate sensitivity is not very high
* Sea level in the Arctic is falling
* Some sites show cooling
4. Urban Myths
* The medieval warm period was just as warm as today
* CO2 in the air comes mostly from volcanoes
* Greenland used to be green
* Hansen has been wrong before
* They predicted global cooling in the 1970s
* Vineland was full of grapes
5. FUD
* The temperature record is simply unreliable
* Glaciers have always grown and receded
* Climate scientists dodge the subject of water vapor
* Water vapor accounts for almost all of the greenhouse effect
* Current global warming is just part of a natural cycle
* Kyoto is a big effort for almost nothing
* Mars and Pluto are warming too
* It's cold today in Wagga Wagga
* CO2 doesn't lead, it lags
* There is no consensus
* Antarctic ice is growing
* Myth: Warming is due to the Urban Heat Island effect
* We can't even predict the weather next week
* Chaotic systems are not predictable
* What about mid-century cooling?
* The null hypothesis says global warming is natural
* Geological history does not support CO2's importance
* Climate is always changing
* Natural emissions dwarf human emissions
* Mauna Loa is a volcano
* Global warming is nothing new!
* The CO2 rise is natural
* The hockey stick is broken
* Historically, CO2 never caused temperature change
* The models don't have clouds
* Global warming stopped in 1998
* If we can't understand the past, how can we understand the present?
* If aerosols are blocking the sun, the south should warm faster
* The scientists aren't even sure
* Antarctic sea ice is increasing
* Peiser refuted Oreskes
* Vineland was full of grapes
* Observations show climate sensitivity is not very high
* Sea level in the Arctic is falling
* We are just recovering from the LIA
6. Non Scientific
* Global warming is a hoax
* Kyoto is a big effort for almost nothing
* Why should the U.S. join Kyoto when China and India haven't?
* Hansen has been wrong before
* Position statements hide debate
* The scientists aren't even sure
* Consensus is collusion
* They predicted global cooling in the 1970s
7. Underdog Theories
8. Crackpottery
Levels of Sophistication
1. Silly
* There is no evidence
* Global warming is a hoax
* One record year is not global warming
* Climate change mitigation would lead to disaster
* Mars and Pluto are warming too
* Mauna Loa is a volcano
2. Naive
* One hundred years is not enough
* Glaciers have always grown and receded
* Why should the U.S. join Kyoto when China and India haven't?
* It's cold today in Wagga Wagga
* CO2 in the air comes mostly from volcanoes
* We can't even predict the weather next week
* We can not trust unproven computer models
* The satellites show cooling
* Natural emissions dwarf human emissions
* The models don't have clouds
* Global warming stopped in 1998
* It's the sun, stupid
* If we can't understand the past, how can we understand the present?
* The scientists aren't even sure
* Vineland was full of grapes
* Some sites show cooling
3. Specious
* The temperature record is simply unreliable
* Climate scientists dodge the subject of water vapor
* There is no proof that CO2 is causing global warming
* Current global warming is just part of a natural cycle
* It was warmer during the Holocene Climatic Optimum
* The medieval warm period was just as warm as today
* What's wrong with warmer weather?
* Kyoto is a big effort for almost nothing
* CO2 doesn't lead, it lags
* There is no consensus
* Antarctic ice is growing
* Myth: Warming is due to the Urban Heat Island effect
* Greenland used to be green
* What about mid-century cooling?
* The null hypothesis says global warming is natural
* Geological history does not support CO2's importance
* Climate is always changing
* Global warming is nothing new!
* The CO2 rise is natural
* Historically, CO2 never caused temperature change
* Hansen has been wrong before
* Position statements hide debate
* But the glaciers are not melting
* If aerosols are blocking the sun, the south should warm faster
* Antarctic sea ice is increasing
* Consensus is collusion
* They predicted global cooling in the 1970s
* Peiser refuted Oreskes
* Vineland was full of grapes
4. Scientific
* Water vapor accounts for almost all of the greenhouse effect
* Chaotic systems are not predictable
* The hockey stick is broken
* Observations show climate sensitivity is not very high
* Sea level in the Arctic is falling
* We are just recovering from the LIA
