Wolf-Dietrich Lauenstein has had his amphibious vehicle for some forty years. The streamlined convertible can go on land and water both. On the way to a vintage and classic car meet in Mecklenburg, he decides to test its capabilities.
The Namib desert in southern Africa is a hostile place: scorching hot by day, freezing at night, and there is little to eat in the barren landscape. But an amazing array of species has evolved here. Here's why.
In Morocco, a big new solar-powered plant for turning seawater into drinking water is being built. Is the business case for renewable-energy-powered desalination technology becoming strong enough to unleash a boom?
A Swiss nuclear reactor - the world's oldest - has been switched off for cable repairs, says the Alpine nation's nuclear authority. Beznau 2 lies near Germany and draws cooling water from a Rhine River tributary.
US President Donald Trump has taken action to reverse an Obama-era rule that protects water from pollution nationwide. The rule has been a thorn in the side of industry - now, it could be scrapped.
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