E.P.A. Reverses Course on Ozone Rule

The agency said in June that states would have extra time to meet a new standard for ozone pollution. The change reverts to the date set by the Obama administration.

A Cheap Fix for Climate Change? Pay People Not to Chop Down Trees

By BRAD PLUMER July 20, 2017 The tropical forests in western Uganda, home to a dwindling population of endangered chimpanzees, are disappearing at some of the fastest rates on Earth as local people chop down trees for charcoal and to clear space for...

Climate-Altering Gases Spiked in 2016, Federal Scientists Report

The National Oceanic and Atmospheric Administration attributed the increase in part to the El Niño weather pattern. Its report makes no mention of human contributions.

When Will Electric Cars Go Mainstream? It May Be Sooner Than You Think

By BRAD PLUMER July 8, 2017 As the world’s automakers place larger bets on electric vehicle technology, many industry analysts are debating a key question: How quickly can plug-in cars become mainstream? The conventional view holds that electric cars...

Court Blocks E.P.A. Effort to Suspend Obama-Era Methane Rule

By LISA FRIEDMAN July 3, 2017 WASHINGTON — Dealing another legal blow to the Trump administration, a federal appeals court ruled on Monday that the Environmental Protection Agency cannot suspend an Obama-era rule to restrict methane emissions from new...