Before Thursday’s Supreme Court ruling on the Affordable Care Act (aka Obamacare), on Tuesday the U.S. Court of Appeals for the District of Columbia threw out a petition challenging the Environmental Protection Agency’s claim that carbon dioxide is a lethal “pollutant” that endangers public health because it is a greenhouse gas and a factor in global warming.
The Appeals Court decision was based in part on a 2007 Supreme Court ruling that stated the 1970 Clean Air Act empowered the EPA to regulate CO2. This was clumsy claim, given that the Clean Air Act mentions nothing about CO2. In fact, in 1970 scientists deemed CO2 a fertilizer.
Why is CO2 a fertilizer, and why does Brian say it’s not a greenhouse gas that can alter temperature? Click here to read the rest of the story.