The documentary follows the life and mission of Dutch inventor Pieter Hoff. He reforests degraded land worldwide to tackle climate change, drought and food problems.

His key innovations ensure that young trees in extremely dry areas are automatically supplied with water so that they can survive without irrigation. The film shows how Hoff plants millions of trees in dry areas, running into bureaucracy, funding and political obstacles, and nevertheless perseveres and is successful.

The film will be introduced by filmmaker Melchert zu Schlochtern.

The central theme of the film is the question: Can one visionary idea really cause global ecological change?

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