A coalition of environmental and health groups filed suit Wednesday against the Trump administration's repeal of a key scientific finding that underpinned federal climate regulations.

Environmental and public health groups sued the Environmental Protection Agency over its reversal of a landmark climate finding that greenhouse gas emissions pose a threat to public health.

David Pettit, attorney for the Center for Biological Diversity’s Climate Law Institute, slammed the administration’s decision in a statement, calling the rollbacks based on “political poppycock, not s...