Regulation
Why Weakening Fuel Efficiency Standards Could Be Trump's Most Climate-Damaging Move Yet
By John H. Cushman Jr., Marianne Lavelle
California Bans Climate-Warming HFCs in New Air-Conditioning and Refrigeration
By Sabrina Shankman
A Renewable Energy Battle Is Brewing in Arizona, with Confusion as a Weapon
By Nicholas Kusnetz
Judge: Trump Must Consider Climate Change in Major Drilling, Mining Lease Plan
By Neela Banerjee
$1.3 Trillion Omnibus Spending Bill Passes After GOP Drops Anti-Environment Riders
By Marianne Lavelle
How Pruitt’s New ‘Secret Science’ Policy Could Undermine Air Pollution Rules
By Marianne Lavelle
How Pruitt's EPA Is Delaying, Weakening and Repealing Clean Air Rules
By Marianne Lavelle
EPA Finds Black Americans Face More Health-Threatening Air Pollution
By Phil McKenna
Trump Takes Aim at Obama-Era Rules on Methane Leaks, Gas Flaring
By Marianne Lavelle
236 Mayors Urge EPA Not to Repeal Clean Power Plan
By Sabrina Shankman
As Much as 5 Times More Methane Leaking at Penn. Gas, Oil Sites than Reported
By Neela Banerjee
No Drop Expected in U.S. Carbon Footprint through 2050, Energy Department Says
By John H. Cushman Jr.
EPA Chief Evades Senate Questions, Can't Recall Saying Trump Would Abuse Constitution
By Marianne Lavelle
Emails Reveal Pruitt Was Closely Involved in Scrubbing EPA Climate Websites
By Neela Banerjee
New Jersey to Rejoin East Coast Carbon Market, Virginia May Be Next
By Phil McKenna
New York Rejects a Natural Gas Pipeline, and Federal Regulators Say That's OK
By Phil McKenna