A startup in Berlin is working on a kite that generates electricity as it soars. It's the pulling on the cord that does it. The firm needs investors, technological prowess, and a keen eye on the competition.
For weeks, Palestinian incendiary kites have been setting fields in southern Israel ablaze. Last weekend, fierce violence broke out between Hamas and Israel. In Gaza, residents fear the consequences of full-scale war.
What if you could produce wind energy with a kite? Roderick Read, a Scot living on a remote island, has been working on just such a machine for the past seven years.
In the past four weeks, four giant power-generating wind turbines in Germany have either toppled over or experienced broken rotary blades. Now the question is: How safe are wind turbines really?
This week, we find out how to make wind energy with kites, explore how a German company is cashing in on e-waste and take a look at the threats Ethiopia's nomads are facing from climate change.
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