Warming of the climate system is unequivocal...most of the global average warming over the past 50 years is very likely due to anthropogenic greenhouse gases increases.

We have embarked globally on a path of unsustainable development. Our lifestyles, the way we produce goods and services, are all part of a system that is completely unsustainable. I see solutions to climate change leading to a much larger philosophical shift in the way human society develops. We need a new matrix to define what human progress is.

Warming of the climate system is unequivocal...most of the global average warming over the past 50 years is very likely due to anthropogenic greenhouse gases increases.

Unless a price can be put on carbon emissions that is high enough to force power companies and manufacturers to reduce their fossil-fuel use, there seems to be little chance of avoiding hugely damaging temperature increases

Nobody on this planet is going to be untouched by the impacts of climate change.

An extremely effective instrument would be to put a price on carbon. It is only through the market that you can get a large enough and rapid enough response [to climate change]

...99% of the casualties linked to climate change occur in developing countries. Worst hit are the world's poorest groups. While climate change will increasingly affect wealthy countries, the brunt of the impact is being borne by the poor, whose plight simply receives less attention.