I know that there are those who disagree with the overwhelming scientific evidence on climate change. But here's the thing -- even… — Barack Obama Copy Share Image
The evidence that climate change is happening is completely unequivocal... The later governments leave tackling climate change, the harder it will be… — John Beddington Copy Share Image
The scientific evidence of how serious this climate crisis is becoming continues to amass week after week after week. — Al Gore Copy Share Image
