Offshore wind farms are a major player in the move away from fossil fuels, especially in the North Sea, and they are increasing in number. But their impact on the environment is not yet clear: We take a look at ongoing research in Europe that is measuring the impact of wind turbines and their harm, or benefit, to biodiversity in our seas.

A sequel to 2006's Who Killed the Electric Car?, director Chris Paine once again looks at electric vehicles. Where in the last film electric cars were dismissed as uneconomical and unreliable, and were under multiple attacks from government, the auto industry, and from energy companies who didn't want them to succeed, this film chronicles, in the light of new changes in technology, the world economy, and the auto industry itself, the race - from both major car companies like Ford and Nissan, and from new rising upstarts like Tesla - to bring a practical consumer EV to market.

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20 years ago the small town of Wunsiedel was at the edge: businesses had to close, jobs were lost, locals left for good. When a bunch of idealists decided to stop this race to the bottom. They developed a plan not only to put the region's energy supply on a completely new foundation, but also to create new prospects.

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What happens to the food we digest after it leaves our body? Is it waste that is thrown away or a resource that can be reused? In search of answers, director Rubén Abruña embarks on an investigative and entertaining search through 16 cities on four continents. He follows the trail of feces from the long sewers of Paris to a huge sewage treatment plant in Chicago.

A three year self-described labour of love, 2040 takes the form of a visual letter from the filmmaker to his four-year-old daughter Velvet, showing her what the year 2040 could look like “if we simply embraced the best solutions that exist today.”

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In Isère, in the mountainous region of Trièves, is the Tournesol farm, an experiential farm totally autonomous in energy, a veritable laboratory for renewable energies. Jean-Philippe and his family live there from sheep farming and organic market gardening. But in September 2017, a violent fire destroyed the farm and its facilities. While the family has lost everything, a surge of solidarity is taking place so that the Tournesol farm is reborn from its ashes.