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

Eleven years ago, at the Millennium Summit at United Nations headquarters in New York, the leaders of the world agreed to a plan meant to spur efforts to help the globe's poorest.

This blueprint involved a series of benchmarks – Millennium Development Goals – to measure the progress of developing nations on poverty, hunger, primary education, and so forth. The point was to rally international efforts to try to bring a better life to those who most needed it by 2015.

BRUSSELS (AP) — A report issued Thursday says the European Union can cut its emissions of greenhouse gases dramatically by 2050 without spending any more money — and even, perhaps, saving a bit.

That estimate is based on an assessment that the new plants and equipment needed to switch to the generation of clean energy would cost more than continued reliance on fossil fuels, but that the clean energy itself would cost less.