It's a terrible problem - or it's really not as bad as people say. There will be sudden big changes - or slower changes that we can learn to live with. It means the end for many animals, people, even whole islands - or the beginning for growing food in the Sahara. What is the true story about climate change? Who is right - and what can we do about it? If we learn about the past, then perhaps there will be time to make changes for the future...
