How a National Geographic photographer captures the emotional impacts of climate change

Obsessed with the loneliness and longing wrought from the impacts of a changing planet, Pete Muller discusses how he uses his camera to make "the invisible become visible" – and to tell the story of climate change from a human perspective. Correction: we inadvertently identified Glenn & Jill Albrecht as driving 20 miles out of their way to avoid viewing strip mines. This is incorrect; it is John & Denise Lamb who make this drive.