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The opt-in climate policy for Canada: Some detail

Since people are asking, here's a little bit of background on my climate policy proposal in the Mark. I trust that to many an "optional" climate policy smells fishy, like setting voluntary targets that companies or jurisdictions will then...

Posted March 24, 2010    

The Mark: A new climate change policy for Canada

My proposal for a compromise deal that could break the long stalemate between Alberta and the other provinces on climate change appears in the Mark. The compromise solution is an “opt-in” federal climate change program. The program would include a...

Posted March 23, 2010    

Meditations on climate change "skepticism"

The radio program "Are we alone?" from the SETI Institute does a regular series on skepticism in science. This week's show looks at climate change skepticism and features a terrific interview with Steve Schneider, as well as some thoughts from Naomi...

Posted March 10, 2010    

Will Coral Reefs Disappear? Results from AAAS Symposium

The Guardian has a short summary of some of the presentations in our Sunday symposium at AAAS organized by Joan Kleypas. The headline "World's coral reefs could disintegrate by 2100" comes out of field and modeling work presented by Jacob Silverman...

Posted February 23, 2010    

Highlights of AAAS: Communicating science

The best line at the AAAS meeting came from Steve Schneider in a talk on science communication: “Science is not a democracy. Quality trumps equality.” It is a fantastic accurate description of the difference between the practice of science and the...

Posted February 21, 2010    

Science lesson on the Late Show

Al Gore's long interview with David Letterman last night could serve as an object lesson for scientists on how to relate a complex subject like climate change to a popular audience. Though it is a sad comment on the media that a late night comedian...

Posted January 4, 2010    

2C or not 2C: Copenhagen and global temperature threshold (Part 1)

Media coverage of climate change often gives the impression the world’s scientific community all met and firmly established that the warming beyond +2 degrees C is dangerous to the future of society. The planet does not have one clear "dangerous"...

Posted December 14, 2009    

The path of climate science and the dissenting views

A scientific finding is not necessarily correct just because it appears in the peer-reviewed literature. There are a number of reasons. For one, not all journals are created equal. Some have less stringent review process. Some are more willing to...

Posted December 9, 2009    

Huge disparity in emissions targets within Canada

If Canadians want an illustration of the disagreement on climate policy within the provinces, or foreigners want to know why Canada has become an obstacle to an international or even continental climate accord, look no further than this graph....

Posted December 2, 2009    

China's emissions pledge depends entirely on economic growth

Last week, China announced that it will reduce carbon "intensity" by 40 to 45 per cent below 2005 levels by the year 2020. The emissions intensity (emissions/$GDP) approach taken by the Canada and the US in the past has been much maligned here as a...

Posted November 30, 2009    

US to pledge emissions cut in Copenhagen

It's a step. Not a great leap for mankind; there is no teeth behind a emissions promise without legislation and an action plan to back it up. But a step nonetheless. Mr. Obama will tell the delegates to the climate conference that the United States...

Posted November 25, 2009    

The "CRU hack" and the deplorable state of reporting and blogging

This episode is a sad sad sad comment on the state of blogging and news reporting. Three reasons. First, for legal reasons, I'd like to think that no news organization should be allowed to report on the content of that mail. This is the equivalent...

Posted November 23, 2009