"Warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice and rising global average sea level"

Intergovernmental Panel on Climate Change 2007.

"It’s about listening to what our scientists have to say, even when it’s inconvenient - especially when it’s inconvenient."

President Barack Obama, December 20, 2008.

"Our generation has inherited an incredibly beautiful world from our parents and they from their parents. It is in our hands whether our children and their children inherit the same world."

Richard Branson.