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A global warming skeptic’s case - full of holes Roger Wesson - UCL - 1 June 2010

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A global warming skeptic’s case - full of holes

Roger Wesson - UCL - 1 June 2010

Plan

• Author - reputable scientist?• Is global warming real?• Do ‘Urban Heat Islands’ bias the temperature record?• Is solar activity the main cause of climate change?• Does CO2 cause global warming?

Page 3: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Plan

• Author - reputable scientist? NO• Is global warming real? YES• Do ‘Urban Heat Islands’ bias the temperature record? NO• Is solar activity the main cause of climate change? NO• Does CO2 cause global warming? YES

Page 4: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 5: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

First questions

• Who is David Archibald?I Not a scientist - no peer-reviewed publicationsI "In oil exploration, he is operator of a number of exploration permits

in the Canning Basin, Western Australia"• What was this conference?

I Organised by Heartland Institute, funded by Exxon (seewww.exxonsecrets.org)

I Conference material betrays agenda

Page 6: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 7: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 8: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Is global warming real?

Page 9: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Is global warming real?

Page 10: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 11: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Is global warming real?

Page 12: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 13: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Urban heat islands?

Page 14: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Urban heat islands?

Page 15: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Urban heat islands?

Page 16: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Urban heat islands?

Page 17: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 18: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Solar activity driving climate change?

Page 19: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Solar activity driving climate change?

Page 20: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Solar activity driving climate change?

Page 21: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 22: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Solar activity driving climate change?

Page 23: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Page 24: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Does CO2 cause global warming?

Page 25: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Conclusions

Page 26: A global warming skeptic's case - full of holes - roger wesson · Global warming is real CO2 drives it - not the Sun Will it be disastrous? That’s a much more interesting question

Conclusions 2

• Fossil fuel lobbyists are poor sources of climate science• Global warming is real• CO2 drives it - not the Sun• Will it be disastrous? That’s a much more interesting question...• http://zuserver2.star.ucl.ac.uk/∼rwesson/archibald

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