Agence France-Presse: Mexico is failing to stop deforestation, despite planting millions of trees, Greenpeace said here Wednesday, two days before the country hosts the UN World Environment Day. Mexico is fifth in the world for species diversity, but also fifth in the world for deforestation, the lobby group said. “We call on the government of (President) Felipe Calderon to be coherent. It’s not possible to extol Mexico as an example in defending the environment … whilst systematically destroying …