Up to 70percent of the world's known species risk extinction if the global temperatures rise by more than 3.5degC. One third of reef-building corals around the world are threatened with extinction. Every second, a parcel of rain forest the size of a football field disappears. The world is changing more quickly than at any time in human history. The forces of climate change, globalization, and a growing demand for energy are increasingly impacting on biodiversity and people.