The agency proposal would rescind the landmark “endangerment finding,” which says that greenhouse gases are a threat to public health.

The agency’s administrator said in a podcast that the move would be “the largest deregulatory action in the history of America.”

Most of the United States’ major climate regulations are underpinned by one important document: It’s called the endangerment finding, and it concludes that greenhouse gas emissions are a threat to human health and welfare.

The 2009 standard, called the endangerment finding, has been a declaration that six key greenhouse gases, including carbon dioxide and methane, endanger public health and welfare because of their contribution to climate change.

Lee Zeldin, the head of the EPA, is set to visit Indianapolis to announce a major environmental policy change. Some say it may rollback key climate finding.

They’re playing in our faces, rewriting the rules to protect corporate profits while our neighborhoods pay the price with our