https://www.hannover.de/en/en/view/content/38788/full/1/387892009-05-20T07:29:25+02:00Max Mustermannmax@mustermann.dehttps://www.hannover.de/en/en/view/content/38788/full/1/387892009-05-20T07:29:25+02:00The city of Hannover aims, by the year 2020, to reduce harmful greenhouse gas emissions within the municipal region by 40 percent compared to 1990 levels.