Chaotic talks on a US-Iran deal continue on the Trump rollercoaster

Lee Zeldin, the E.P.A. administrator, said the changes would help U.S. “energy dominance.” Environmentalists said they threaten drinking water.

The war with Iran is preventing huge amounts of oil from flowing out of the Persian Gulf, but the prices that many people track don’t fully capture the scale...

Renewable energy is cheaper to run than fossil fuels, especially with war choking oil supply. But it hasn’t turned out that way for some European countries,...

Many blue states are rethinking ambitious strategies to cut emissions as they struggle with rising electricity costs and new hurdles for renewable energy.

A cluster of Chinese firms is poised to win big from the energy crisis set off by the war in the Middle East, building on booming investment in artificial in...

The animals might be entering the Bay in search of food as climate change disrupts traditional sources. They face huge risks from ships in the area.

President Trump is trying to choke off the country’s lifeline with a blockade of the Strait of Hormuz. But the Iranians are betting that his tolerance for po...

Appealing the dismissal of their suit, they argued that executive orders to promote fossil fuels endangered their futures and violated their constitutional r...

Oil markets shrugged it off, but the effort to hurt Iran could provoke retaliation that inflicts more damage on energy assets and the global economy.

The conflict could also fuel another bout of inflation, according to the International Monetary Fund.

Once held up as a key solution to climate change, a field that aims to remove carbon from the atmosphere is struggling to catch on.

In a setback for federal efforts to thwart climate litigation, the judge ruled that the suit, which tried to block the state from suing oil companies, was to...