At a Massachusetts lab, pebble-sized pellets are transformed into forks and films that won’t leave microplastics in the environment.

The hearing exposed wounds around the legacy of uranium mining on Navajo communities, as well as fresh concerns about in situ recovery.

As extreme weather becomes more common and disruptive, the effects can impair relationships, interrupt routines and communication, and damage gathering places and the foundations of community traditions.

The tech giant is investing in the natural-gas-burning power plant as part of a huge data center in Texas, even as it pledges to honor climate commitments.

In Nebraska, Blackshirt Feeders LP is building the country’s largest feedlot for 200,000 beef cattle on a square-mile slab of concrete.

A key zone of the Pacific Ocean is already at record warmth. See how rising sea temperatures could impact global weather.