FILE - In this April 3, 2014 file photo giant machines dig for brown coal at the open-cast mining Garzweiler in front of a power plant near the city of Grevenbroich in western Germany. Allianz says it will stop insuring coal-fired power plants and coal mines as part of its contribution to combating climate change. (AP Photo/Martin Meissner, File)
The UN has warned that the world faces increases of more than 1.5°C above pre-industrial levels in a decade if there is no change to the way we live. AP

UAE gears up for United Nations climate change summit in Abu Dhabi