"We are all responsible for this crisis," Redford told the gathering. "Your mission is as simple as it is daunting: save the world before it's too late." Redford pointed to global warming fueling extreme weather such as the deadly heatwaves in India and Pakistan that have claimed thousands of lives. "Everywhere we look, moderate weather seems to be going extinct," said Redford. "Unless we move quickly away from fossil fuels, we're going to destroy the air we breathe, the water we drink, and the health of our children, grandchildren and future generations."