Montdidier did not wait for Paris to take a closer look at energy issues. This city of 6,500 people introduced numerous measures to manage its energy consumption.
Germany has more than 28,000 wind turbines — but many are old and by 2023 more than a third must be decommissioned. Disposing of them is a huge environmental problem. Expert Jan Tessmer tells DW he's optimistic.
Tall metal poles rise out of the fields, their rotary blades slowly turning breeze into electricity. That's the picture that springs to mind when we think of wind energy. But what if you could make your own wind turbine?
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