Agence France-Presse: Ministers from nearly 60 nations pledged Wednesday on the sidelines of a UN biodiversity conference to support a global effort to halt deforestation by 2020. Top environment officials from every continent literally lined up to make the pledge, organised by the World Wildlife Fund (WWF), a highly influential environmental protection group. “Wildly successful” is how WWF International’s director general James Leape described the event, even as more ministers straggled …