Impacts Pro-climber Tommy Caldwell details climate change's impact on rock climbing NPR's Alina Selyukh talks with pro-climber Tommy Caldwell about how a warming climate is changing the outdoor sport and making it even more dangerous.
Newsletter Climate change and overuse is threatening Pakistan's main waterway In a rare journey down the length of the Indus River, a filmmaker and environmental activists survey damage done to Pakistan's main water artery and meet the people who live on its ancient banks.
