New Mexico climate groups struck a defiant tone in the wake of the U.S. Environmental Protection Agency’s plan to dismantle federal authority to reduce one of the drivers of climate change: greenhouse gases.

EPA chief Lee Zeldin proposes a repeal of the Endangerment Finding on climate change. State Sen. Ed Markey is fighting back.

EPA chief Zeldin announced plans to rescind the U.S.'s biggest tool to fight climate change in an Indy visit. Environmentalists call it a direct assault.