The Toyota Prius, once revered as the greenest car on the road, has fallen on hard times. Sales are on a six-year losing streak, and now the previously preeminent eco-mobile has fallen behind the Ford Fusion hybrid — a model its parent company plans to pull the plug on in a couple years.

U.S. scientists plan to survey the Bering Sea this summer and hope to shed light on why fish not normally seen in its northern stretches have been found there.

A budget airline boom in the Asia-Pacific region is challenging efforts to lower global aviation's greenhouse gas emissions on the eve of industry carbon offset trading.

Renewable energy subsidies are one of the few climate policies that lawmakers have consistently agreed on. Now, they're about to end.

PORTLAND, Ore. — Alex Loznak walks into the restaurant of his hotel with a camera crew trailing closely behind — a fixture in the public life of the 21 youth plaintiffs of the kids' climate case.

One of the biggest roadblocks to the United States acting aggressively on climate change isn't political. It has four wheels and runs on gasoline.

Joe Biden released a climate plan this morning that confronts the narrative around his candidacy that the former vice president is an outlying moderate in a Democratic Party that's been electrified by its wing of progressives.

With almost one-third of Singapore just five meters above sea level, land reclamation isn't only a way to create more space, it's an environmental imperative. And while politicians elsewhere dither over climate change, the city-state is taking a decisive stance, rolling out a range of initiatives aimed at limiting the effects of global warming.

About 1,000 people arrive in Texas each day, drawn by jobs, newly built homes and other opportunities. But in a state where prolonged drought is a regular occurrence, officials are struggling to ensure they can sate everyone's thirst.

The German government is extending a system of incentives to buy electric cars by 18 months until the end of 2020.

LITTLE ROCK, Ark. — Crews were making a "last ditch effort" on Saturday to save low-lying parts of a small Arkansas city from floodwaters pouring through a breached levee, and authorities downstream were warning people to leave a neighborhood that sits across the swollen river from the state capital.

This year is starting to look a lot like 2018 for America's power sector. That's good news for natural gas, less so for coal and power-sector carbon emissions.

Conservative media organization National Review is taking its legal battle against climate scientist Michael Mann to the Supreme Court — the latest push in a case involving climate science and the First Amendment.

The first data from a much-anticipated NASA satellite mission is now publicly available — and climate scientists are eager to start putting it to work.

The Trump administration appears to be in a big hurry to complete its rollback of Obama-era clean car standards ahead of the 2020 presidential elections, regulatory policy experts say.

When Sen. Bernie Sanders ran for president three years ago, he routinely held up his support for carbon taxes as proof he was more committed to addressing climate change than rival Hillary Clinton. Now he's talking about the Green New Deal.

New York Gov. Andrew Cuomo is creating a commission to find new ways to harden Lake Ontario's shoreline as federal officials warn this year's flooding will be worse than 2017's records.

Facebook Inc. has agreed to power its Eagle Mountain Data Center in Utah with electricity from a solar farm being developed by First Solar Inc.

Mozambique says it needs $3.2 billion to recover from a pair of powerful tropical cyclones that ripped into the southern African nation earlier this year and left hundreds dead, raising alarm about the effects of climate change on coastal nations.

The election of Jair Bolsonaro, a regulation-hating populist with a big following in Brazil's farm country, was supposed to trigger a surge in deforestation of the Amazon. Five months into his presidency, there are essentially no signs of any such pickup. If anything, the numbers are down.