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Posts from December 0

Is the Climate Science Debate Over? No, It’s Just Getting Very Interesting (with welcome news for mankind)

By <a class="post-author" href="/about#mlewis">Marlo Lewis</a> -- July 24, 2009

How many times have you been told that the debate on the science of climate change is “over”? Probably almost as many times as Al Gore has traveled in private jets and limousines to urge audiences to repent of their fuelish ways. 

Although tirelessly intoned by politiciansmajor media, advocacy groups, academics, and even some Kyoto critics, the “debate is over” mantra is just plain false. The core issues of climate-change attribution, climate sensitivity, and even anthropogenic detection remain very much in play.


The world has warmed overall during the past 130 years, as evidenced by melting glaciers, longer growing seasons, and both proxy and instrumental data. However, the main era of “anthropogenic” global warming supposedly began in the mid-1970s, and ongoing research by retired meteorologist Anthony Watts leaves no doubt that in recent decades, the U.S.…

“Best Science” and the Problem of Land-based Thermometers (Anthony Watts’s Surfacestations project)

By Indur Goklany -- May 22, 2009
Editor Note: Readings from land-based temperature records are in dispute, with most concern centering on how much of the recorded warming in recent decades is attributable to local versus global processes. Climatologist Patrick Michaels has recently brought attention to the problem, and the post below describes some preliminary findings of an on-going survey comparing real-world thermometer siting practices to recommended standards–and its potential impact on global warming in theory and practice.

President Obama and his administration take pains to stress that their climate and environmental policies will be informed by the best science available. And that is as it should be, but the entire task can be complicated by the fact that sometimes the best available science may not be good enough for the task at hand.

Anthony Watts’s report on the Surfacestations projectIs the U.S.

A Warm Year? Or a Cool Decade?

By Chip Knappenberger -- February 24, 2009

I was recently pointed to an amusing post by Joe Romm over at Climate Progress last week about the “unprecedented global warming during the past year.” Joe pointed out that the earth had apparently warmed rapidly (“20 times [greater than] what most climate models have projected we should be experiencing”) during the period January 2008 through January 2009.

It turns out that Joe was only joking—not about the temperature rise, but as to whether or not it was comment-worthy.

As I’ll show you, the global temperature behavior during the last year isn’t particularly noteworthy, but that during the past decade or so, it is starting to become interesting.…