An Italian magazine has published a leaked draft of the Pope's encyclical on climate change, which is due for release on Thursday. In it, Pope Francis puts much of the blame for global warming on human activity and calls on all humans, not just Roman Catholics, to prevent the destruction of the ecosystem before the end of the century. Subscribe to BBC News HERE bit.ly/1rbfUog Check out our website: www.bbc.com/news Facebook: www.facebook.com/bbcworldnews Twitter: www.twitter.com/bbcworld Instagram: instagram.com/bbcnews