In the United States, low-income immigrant and minority children often live in environments that have highly polluted air.

The world is getting hotter, causing shifts in seasonal patterns and increasing the amount of extreme weather such as severe droughts and heat waves, which can affect crop yields and food supplies.

Electrifying transportation is an essential step towards mitigating climate change.

At least 2 billion people worldwide routinely drink water contaminated with disease-causing microbes.

Bob Powell had spent more than a decade in the energy industry when he turned his attention to the problem of plastic waste.

A tiny Central American country is charting a path to slowing climate change, while boosting the economy and making communities safer.

Plastic made from cane sugar also threatens the environment.

There’s an intriguing exoplanet out there – 400 light-years out there – that is so tantalizing that astronomers have been studying it since its discovery in 2009.

New hazard-monitoring technology uses GPS signals to go wave-hunting in the Pacific Ring of Fire. 

The ground beneath Antarctica’s most vulnerable glacier has been mapped for the first time, helping scientists to better understand how it is being affected by climate change.