NYTimes - Environment

At SXSW, a documentary traces the arc of plastics in our lives, and highlights evolving research of the potential harm of its presence in our bodies.

Hundreds of square miles of the rainforest have burned as countries in the region battle a record number of fires fueled by extreme weather.

Toyota, the world’s largest automaker, has been criticized for selling few electric vehicles, but its decision to focus on hybrids is paying off financially.

A panel of experts voted down a proposal to officially declare the start of a new interval of geologic time, one defined by humanity’s changes to the planet.

The percentage of households burning home heating oil is the highest in the country. Yet no other state is adopting climate-friendly heat pumps as fast.

State regulators asked more than 400 companies for data on their homeowners insurance businesses. The inquiry comes at a moment when severe weather is increasing risk.

The populations of some Latin American birds are declining, even in the countries they symbolize.

In his speech to Congress, the president spoke in sweeping terms about global warming, and contrasted his record with that of Donald Trump.

The White House’s invited guests included the sister of a 9-year-old girl killed in the Uvalde school shooting, the head of the U.A.W. and business owners focused on the environment.

The president’s campaign is eager to tell the story of his first term’s accomplishments.

Sunflower sea stars, a species of giant starfish, are critically endangered. Researchers tinkered with sperm in an aquarium lab to help them reproduce.

Three orphaned calves were found in Florida. Then they racked up the frequent flyer miles.

A green honeycreeper spotted on a farm in Colombia exhibits a rare biological phenomenon known as bilateral gynandromorphism.

Sheila Watson works for a foundation that focuses on safe and environmentally sound mobility, supporting projects targeting access, emissions and safety.

Gray whales are regularly found in the North Pacific, but sightings in the Atlantic, from which they had vanished by the 18th century, are extremely rare.

Recent heat waves in cities worldwide have the hallmarks of global warming, researchers said. And last month was the hottest February on record.

The rules, designed to inform investors of business risks from climate change, were rolled back amid opposition from the G.O.P., fossil fuel producers, farmers and others.

Republican attorneys general from 24 states said the crackdown on fine industrial particles would raise costs. The E.P.A. said it would save lives.

Archaeologists have revealed a major production site for one of history’s most luxurious, and smelliest, colorants.

A new study of sinking and rising land along American coasts offers a more specific understanding of potential flooding in 32 coastal cities.