Mexico City’s air is getting cleaner, but ozone levels near the ground aren’t decreasing as fast as expected. Climate change is partly to blame.

Summer heat is becoming more deadly for the elderly in South Texas with record-breaking temperatures and rising costs for electricity.

Are four years of pro-environment policies about to come to an end?

Scientists and investors are restoring a 23-square-mile tract of peatland in North Carolina to help curb climate-warming emissions and restore native habitat.

It's a grim moment for what was a booming industry in the state, but EV makers are still forging ahead.

Scientific evidence has never been stronger. Why aren’t more people making the link?

NextEra Energy is one of three U.S. energy companies to win backing from the Department of Energy to revive shut-down nuclear plants to meet soaring power demand.

In an era of heavy rain, a transit system with 47,000 openings is bound to leak.

Experts say President Trump’s rollback of climate policy is leaving consumers more vulnerable to price shocks and pollution.

Unlike ​hard corals supported by rigid calcium carbonate skeletons, soft corals rely on internal fluid pressure to keep upright.

Floods, droughts, and extreme heat can disrupt nutrition and healthcare in early life, with consequences that may last for years.

This summer's weather has been a vivid reminder that climate disruption is bringing cycles of dry spells, high heat and heavy rains to the Chicago region.

Tackling air pollution and climate change together could save lives and boost economies, UN reports show.

How changing lightbulbs helped change the world.

The condition, linked to heat on a warming planet, is affecting laborers from Central America and Mexico. As scientists race to track the growing epidemic, its victims have been driven further into hiding.

Researchers urge governments to help the worst afflicted countries, such as Nigeria and Algeria, which rely on oil revenues for public services.

Melting glaciers spell disaster around the world. Protecting people will be a challenge for decades to come.