EPA Administrator Lee Zeldin joins CNN’s Kasie Hunt to discuss the Trump administration’s push to reverse a landmark scientific finding that planet-warming pollution harms human health.

The Environmental Protection Agency (EPA) is embracing a philosophy of climate change denial as it works to upend climate regulations and their legal underpinnings. EPA Administrator Lee Zeldin said last week that his agency will propose to repeal a 2009 determination known as the “endangerment finding” that declared that planet-warming gases including carbon dioxide are a