Climate change is being linked to increasingly devastating forest fires in the U.S. West.
How a factional clan war in a country with no government turned into an environmental catastrophe that cost hundreds of thousands of lives.
For two terrifying hours, a mammoth wall of dust turned one of Australia's largest cities into a vision of Hell.
After the brutal summer of 1947, Norwegian farmers were slaughtering their livestock to stretch their supplies. Was climate change to blame?