The bottom billion people don't contribute at all to climate change - maybe 1 percent of emissions, they could double or triple their emissions and the climate would not be destabilised.
Hans Joachim SchellnhuberDon't ask what global climate protection can do for your country; ask what your country can do for climate protection.
Hans Joachim SchellnhuberThe planetary machinery tends to be jumpy, this is to respond disproportionately to disruptions that come with the manmade greenhouse effect.
Hans Joachim SchellnhuberWhen you imagine that if all these 9 billion people claim all these resources, then the earth will explode.
Hans Joachim Schellnhuber