Either the Earth System would undergo major phase transitions as a result of unchecked human pressure on nature's capacities and resources or a "Great Transformation" towards global sustainability would be initiated in due course. Neither transitions nor transformations will be manageable without novel forms of global governance and markets.

What is the difference between a 2°C world and a 4°C world? Human civilisation!

The planetary machinery tends to be jumpy, this is to respond disproportionately to disruptions that come with the manmade greenhouse effect.

When you imagine that if all these 9 billion people claim all these resources, then the earth will explode.

Neither transitions nor transformations will be manageable without novel forms of global governance and markets

Either the Earth System would undergo major phase transitions as a result of unchecked human pressure on nature's capacities and resources or a "Great Transformation" towards global sustainability would be initiated in due course. Neither transitions nor transformations will be manageable without novel forms of global governance and markets.

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.