In an interview with Gwen Ifill, EPA Administrator Lisa Jackson explains the decision to declare greenhouse gases a danger to human health.
As an international climate summit kicked off in Copenhagen on Monday, the EPA took a step toward regulating greenhouse gases by declaring them a risk to human health. Kwame Holman reports.
Support Provided By: Learn more
Educate your inbox
Subscribe to Here’s the Deal, our politics newsletter for analysis you won’t find anywhere else.