Chemicals collect in microplastics, which then get eaten by fish, birds and seals — and by humans.

As the wild population of red wolves falls to just 40 animals, captive breeding may be their last chance for survival.

As extreme weather conditions arrive, vulnerable people in migrating populations could find themselves at risk from sexual exploitation or forced labor.

Exhaustive searchers have failed to turn up the lost Algerian species Adenocarpus faurei. Could other plants in the region also be extinct?

Eco-books coming out this month cover some of the most important topics on the planet — and give you some tools to help.

Specialized environmental courts are now operating on every continent except Antarctica. What’s behind the boom?

Thanks to protective efforts in Russia, these critically endangered big cats have renewed hope of avoiding extinction.

In many Mexican cities, water is treated as a political bargaining chip – a favor that public officials can trade for votes, bribes or power.

David Bernhardt, Greg Sheehan and Susan Combs are implementing Trump’s energy-dominance agenda while ignoring Congress and the public.

Anyone who disregards the threats of climate change “is stupid,” says retired Lieutenant General John G. Castellaw.