Photographer Peter Caton talks about his visit to the Cerrado – the world's largest savannah. It contains 5% of the world's biodiversity, but is being destroyed at an incredible rate to make way for monocultures that may have devastating long-term effects.

During his trip, Caton worked with local Brazilian environmental group ISPN and WWF on their campaign calling for UK supermarkets to source sustainable soya

U.S. sets record with a dozen billion-dollar weather disasters in one year

When people consider using engineering techniques to counter the effects of climate change, they usually think first about the technical difficulties involved. But a new report points out challenges that may be even more important: regulating the research on such technologies, and their potential deployment.