Pope Francis warns of destruction of Earth's ecosystem in leaked encyclical

<> Pope Francis warns of destruction of Earth's ecosystem in leaked encyclical - Vatican condemns early release of document in which pontiff calls on people to change their lifestyles and energy consumption or face grave consequences Full copy of the Pope's expected "climate encyclical" leaked, with translated sections Pope Francis blasts global warming deniers in leaked draft of encyclical - A draft of a major environmental document by Pope Francis says "the bulk of global warming" is caused by human activity and calls on people — especially the world's rich — to take steps to mitigate the damage by reducing consumption and reliance on fossil fuels.