Environment

Preserving natural fires and managing out-of-control blazes helps ecosystems

Yearlong MOSAIC expedition ends as German icebreaker returns home

Historically Black and immigrant communities are more vulnerable to environmental stressors

Ambitious new climate goals would make the country a global leader—but are they feasible?

Both approaches have promise but face perils, researchers find

Despite glimmers of progress, the world has not achieved decadal targets to protect nature

National Science Foundation program struggles to bridge scientists and communities

Earlier spawning means currents sweep larvae into inhospitable waters

Fresh asphalt is a major source of hazardous particles, laboratory study suggests

Ability to digest dairy as an adult evolved later—and much more quickly—than scientists thought

Climate change is affecting these underground partners, as well as the plants they serve

New feedbacks add to the impact of warming air

Salmon fishing fans, including Trump’s son, opposed project

Cost-benefit calculation is one likely target of legal challenges

Monsoons helped create the rich alpine plant diversity of Asia’s Hengduan Mountains

Proposed Pebble Mine has stoked years of controversy