A challenge from the reporter who blew the lid off of Thailand’s Tiger Temple and exposed illegal wildlife trafficking from a Buddhist monastery.

For small island nations threatened by rising seas, swelling waters are a daily reminder of the need to act on climate.

Fracking has led to a large increase of hydrocarbon emissions in rural areas, reversing some regional air trends.

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Chronic neglect of energy infrastructure increases vulnerability to extreme weather.

Here are five ways to help to make the world a more diverse — and more just — place.

An atrocity of mercury poisoning began in the 1930s. Does a new treaty go far enough?

People around the world are struggling with wildfires and floods and other crises, but I don’t give up hope.

We need new metaphors to cope with climate change.

A healing visit to America’s public lands reveals their history – and their continued importance.