A polar bear manages to get on one of the last ice floes floating in the Arctic sea.
Gerard Van der Leun
Climate change is for many the greatest challenge, as it has such a significant impact on all other sustainable development issues. As such climate change has united many sustainable development activists. But rising global temperatures present still the greatest known threat to sustainable development of our time.
Ranjendra Pachauri describes how climate change and the Intergovernmental Panel on Climate Change (IPCC) have brought together a scientific collaboration on a unique scale to influence thought, policy and strategy.
Water sustainability - both problems and solutions - have generally been seen as local. But when you take a global perspective, you see a new scale of challenge. Dominic Waughrey gives us 10 years to act...