Special
The changing Amazon
Earth's largest rainforest will be in the news more than ever this year. In June, the United Nations Conference on Sustainable Development, in Rio de Janeiro, Brazil, will discuss how to protect the Amazon, and a proposed change to Brazil's forest code could speed the destruction of this biodiversity hot spot. Already the forest is becoming a net carbon source rather than a sink, as a review in Nature shows. Read more about the science and the controversies in Nature's News stories, Comment articles and research papers.
Image credit: John Warburton-Lee Photography / Alamy