In the dark and isolating days after Hurricane Maria, people across Puerto Rico invented new ways to communicate: Elderly couples in need of food or water would raise a flag at their home. Neighbors created amateur security systems, banging on pots for a minute each night to mark the start of a curfew after which any human noise would be considered a call for help.

The names of two hurricanes that caused widespread devastation from Florida to Virginia last year have been retired.

A week after Cyclone Idai hit coastal Mozambique and swept across the country to Zimbabwe, the death, damage and flooding continues in southern Africa, making it one of the most destructive natural disasters in the region's recent history.

Chancellor Angela Merkel has assembled top aides to form a "Climate Cabinet" in an 11th-hour move to improve Germany's climate protection record and avert heavy fines for pollution infringements.

A growing list of European Parliament members want Exxon Mobil Corp. stripped of its lobbying privileges after the oil giant declined a summons to testify at a climate change hearing yesterday.

The U.S. refrigerants industry thinks a global deal that is usually billed as a response to climate change could stop Chinese companies from illegally dumping chemicals on the U.S. market.

Thawing permafrost can release large amounts of climate-warming carbon dioxide and methane. It's a growing concern in the rapidly warming Arctic, where scientists are trying to determine just how quickly the region's frozen soil is thawing out and what that might mean for the global climate.

BALTIMORE — Maryland Gov. Larry Hogan hasn't decided to run against President Trump. But he's already challenging him on climate.

When the CEOs of major automakers asked President Trump to re-evaluate Obama-era clean car standards, they were hoping he would soften the rules. He decimated them instead.

Patches of black mold on the ceiling. Water marks on the dingy walls. Toys, furniture and a baby grand piano tossed about and covered in a gray muck.

The Washington Supreme Court heard arguments Tuesday on whether the state Department of Ecology has the authority to cap carbon pollution from major industrial emitters, something business groups and utilities have argued can only be done by the Legislature.

Some ski areas touted an "endless winter" as forecasters Tuesday called the snow that has been falling along the New Mexico-Colorado border a good sign for cities and farmers who depend on one of North America's longest rivers.

Chile's President Sebastián Piñera may have bitten off more than he can chew when he offered to host this year's COP 25 climate change summit after Brazil backed out. The country has just one large convention center — and that is booked out in December.

Corporate sustainability rankings fall short in weighing firms' efforts to lobby for or against climate policies, according to a new report.

Local governments can better prepare for disasters by investing in resilience programs and tending to societal problems that are often made worse during and after catastrophes, a new scientific analysis has found.

A Trump administration plan to refine how it calculates flood risk to homes in the federal flood insurance program is drawing praise from environmental advocates who say the revisions will make the ratings more accurate.

Obama-era EPA chief Gina McCarthy, former Secretary of State John Kerry and other past government officials are throwing their weight behind part of an appeal by two California cities seeking to hold fossil fuel companies accountable for climate change impacts.

Rep. Paul Tonko today will roll out nine principles for climate legislation, a quiet benchmark for the House Energy and Commerce Committee as it forges ahead through the climate noise.

The ambitious climate plan is at an inflection point. Legislatively, momentum has stalled. The number of new co-sponsors has slowed to a trickle, and its prospects of passage -- never good to begin with -- have hit roadblocks in the House and Senate.

Neuberger Berman began a comprehensive review of its $304 billion portfolio last year, specifically to understand how its investments will be affected by climate change. The verdict is in, and it isn't good.