Thousands of people are expected to attend this weekend's People's Climate Movement march. It's a good moment to reflect on the facts—what we know about climate change today, and what impacts we can expect in the future.
He endured kidnappings, assaults and attacks. But after more than a decade of protests and court battles, Prafulla Samantara stopped an open-pit bauxite mine from threatening India's Dongria Kondh tribe.
Scientific advances in wood identification are improving chances of catching illegal loggers endangering the world’s most threatened rainforests.