Giant ocean liners moored in downtown ports are a startling sight in many European cities. But they are also a source of pollution because they have to leave their engines running to get electricity. Until now.
On this week's Eco Africa, we check out hydroponic urban farms in Nigeria, art projects in Ghana's classrooms, a disappearing Senegalese village, and solar energy in Egypt's remotest areas.
The Norwegian capital plans to cut emissions by 95 percent by 2030, despite being one of Europe's fastest growing cities. As European Green Capital 2019, it hopes to set an example for others.
Diesel generators are often dirty devices. But what if you could turn the soot they puff out into something useful? A young group of engineers in Delhi did just that. And ships are next.
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