BBC: By the end of this year, governments may have finalised arrangements for preserving developing countries’ forests under the UN climate convention. But, argues Arun Agrawal, forests used to belong to people – and people are being left out of the equation. A long time ago – before the Copenhagen summit, before words such as biodiversity or development were invented, before even colonialism – most of the world’s forests belonged to people. People lived in them. People depended on …