The Environmental Protection Agency took a major step Monday toward regulating greenhouses gases, concluding that climate changing pollution threatens the public health and the environment.
The announcement came as the Obama administration looked to boost its arguments at an international climate conference that the United States is aggressively taking actions to combat global warming, even though Congress has yet to act on climate legislation. The conference opened Monday in Copenhagen
via EPA: Greenhouse gases are harmful – Climate Change- msnbc.com.