(FILES) This file photo taken on April 16, 2019 shows (L-R) Norway's Minister of Petroleum and Energy Kjell Borge Freiberg, German Chancellor Angela Merkel and the Chairman of the Board of Management of German energy supplier EON SE Johannes Teyssen posing with children and toy wind wheels during the opening of the Arkona wind park in Sassnitz, northern Germany. - Germany has in recent years polished its green image abroad, but the country has also been forced to admit it will miss a self-imposed 2020 climate target. Carbon reduction has proved tricky even for a wealthy country with an environmentally conscious electorate. (Photo by Tobias SCHWARZ / AFP)