Agence France-Presse: More than two billion trees were planted around the world as part of the UN’s campaign to combat climate change, the world body’s environment programme (UNEP) said Tuesday in a statement. The Nairobi-based agency said the tree planting campaign, inspired by Kenyan Nobel Peace laureate Wangari Maathai, will help mitigate the effects of pollution and environmental deterioration. The campaign launched in 2006 saw two billion trees planted, double the original target, with Ethiopia …