Hot weather influences aircraft performance. We asked experts what it means for safety. Read More

Even as global emissions plateau, new research shows that wildlife in the Arctic is exposed to rising levels, posing a risk to those who eat it. Read More

Genetically altering crops may be key to helping them adapt to extreme temperatures. But shrinking funds and social acceptance stand in the way. Read More

The official, Jeremy Greenberg, was in charge of coordinating the national response to major disasters. Read More

JBS, the biggest meatpacker in the world, is set to go public on the New York Stock Exchange this week. Read More

California leaders said the state intends to challenge the move in court, and to find new ways to move drivers toward electric vehicles. Read More

Senate Republicans want to sell the land to build more housing in the West, but the idea is contentious even within their own party. Read More

It is becoming easier to find fast chargers for electric vehicles, and they are more likely to work — and not just for Teslas. Read More

Sound is the primary means of tracking subs in vast ocean expanses, and research shows that it’s behaving differently as the seas warm. Read More

Lee Zeldin, the E.P.A. administrator, said erasing regulations would produce jobs and lower electricity costs. He called efforts to fight climate change “a cult.” Read More