A rise of 5C would be a temperature the world has not seen for 30 to 50 million years. We've been around only 100,000 years as human beings. We don't know what that's like.
Nicholas SternAdaptation can efficiently reduce the costs of climate change while atmospheric concentrations of greenhouse gases are being stabilised
Nicholas SternThe record rainfall and storm surges that have brought flooding across the UK are a clear sign that we are already experiencing the impacts of climate change.
Nicholas Stern