Thanks to a 2007 Supreme Court ruling that greenhouse gases are air pollutants under the Clean Air Act, the Environmental Protection Agency has to do something to control them. But the act is ill-suited to controlling a non-toxic global pollutant. The law requires the EPA to set separate emissions
This morning, the White House released a massive report on the effects of climate change . In sum: The problem is already bad, it is going to get worse, and we need to address it quickly. The science of greenhouse gas emissions and climate change may be clear (though, of course, always evolving).