The debate is over. The scientific community has spoken in a virtually unanimous voice. Climate change is real. It is caused by human activity.
Bernie SandersDo not tell me that I have not shown courage in standing up to the gun people, in voting to ban assault weapons, voting for instant background checks, voting to end the gun show loophole and now in a position to create a consensus in America on gun safety.
Bernie SandersI happen to believe that one of the great crises facing the planet is climate change. Donald Trump happens not to think that climate change is real. Hillary Clinton takes it seriously.
Bernie Sanders