Four faculty members from The University of Arizona in Tucson were part of an amicus curiae (“friend of the court”) brief supporting the plaintiff in yesterday’s historic U.S. Supreme Court decision on carbon dioxide emissions and climate change.

In the case, Commonwealth of Massachusetts, et al. v. U.S. Environmental Protection Agency (PDF file), several states sued the EPA for failure to regulate carbon dioxide emissions from motor vehicles, as required by the Clean Air Act. Yesterday, the Court decided in favor of Massachusetts, et al.

“This ruling is a victory for climate science,” says UA ecologist Scott Saleska, who organized the scientists’ collaboration for the brief. “EPA ignored what is perhaps the most important finding in climate science in the last decade, which is that the rise of global temperature and the anthropogenic increase in atmospheric CO2 are causally linked. The opening paragraph of the Court majority opinion cited that specific scientific finding.”

For more information on the Court’s ruling, check out the top stories from today’s newspapers:

Book Pick of the Day: Low Carbon Diet: A 30 Day Program to Lose 5000 Pounds—Be Part of the Global Warming Solution!

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