clean air act

The Environmental Protection Agency released an endangerment finding today that states that greenhouse gases pose a threat to public health and welfare.
“EPA’s proposed endangerment finding is based on rigorous, peer-reviewed scientific analysis of six gases — carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulfur hexafluoride — that have been the subject of intensive analysis [...]

The Clean Air Act is one of the signature laws that gives regulatory authority to the Environmental Protection Agency.
But the Bush administration, especially under EPA head Stephen Johnson, has weakened ozone standards and ignored a U.S. Supreme Court order to use the law to regulate greenhouse gases that cause global warming.  Even though Johnson and [...]