A bucket-wheel excavator extracts brown coal from an open cast mine at the power plant "Weisweiler" on October 2, 2015 in Weisweiler, western Germany. AFP PHOTO / PATRIK STOLLARZ (Photo credit should read PATRIK STOLLARZ/AFP/Getty Images)
A bucket-wheel excavator extracts brown coal from an open cast mine at the power plant "Weisweiler" on October 2, 2015 in Weisweiler, western Germany. AFP PHOTO / PATRIK STOLLARZ (Photo credit should read PATRIK STOLLARZ/AFP/Getty Images)