"So when President Trump touts America's crystal clean air, it's because of the policies he's now trying to get rid of," the CNN anchor said.
California Governor Jerry Brown has signed a new law mandating that the electricity the state consumes not cause carbon emissions by 2045.
California already has such a cap-and-trade system, as does a coalition of Northeastern and mid-Atlantic states including New York, Massachusetts and Maryland.
Along with carbon dioxide, methane is one of the most important greenhouse gases in terms of its potential to raise global temperatures.
A major emissions event took place April 15, 2013 in the city of Port Arthur, Texas. But, the real problem is the steady, routine release of toxic chemicals that never makes the news.
Prime Minster Stephen Harper’s hopes for the approval and construction of the Keystone XL pipeline, which will transport Alberta tar sands crude across the US to refineries and export facilities in the Gulf Coast, hit a stumbling block this summer when Obama announced he will take Canada’s growing emissions problem into account when considering the project’s fate.
"We're in new territory for human beings--it's been millions of years since there's been this much carbon in the atmosphere. The only question now is whether the relentless rise in carbon can be matched by a relentless rise in the activism necessary to stop it."
From our friends at NASA comes this amazing 13-second animation that depicts how temperatures around the globe have warmed since 1950.