Scientists brought endangered species back from the brink by simply building more ponds.
Climate and science reporter, BBC News
In 1999 Aargau decided that a mass conservation effort was needed to combat the loss of amphibians. The collapse of the European tree frog was of particular concern. This frog likes to jump from shrubs to trees, Dr Moor explains, and is one of the most mobile species, capable of traveling several kilometres.
Switzerland, like the UK, has high population density with large road and railway networks, and much of the non-urban land is intensely farmed, Dr Moor explains.
Danmark Seneste Nyt, Danmark Overskrifter
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