In future an unusual tower could be used to store energy from sun and wind. Also: A new waste management system in Brasília; potential antibiotics from mangrove swamps; and why is Pluto no longer a planet?
Billions of tons of valuable polymetallic nodules are dozing on the Pacific Ocean floor southeast of Hawaii, a key potential source of materials for making EV batteries. We know how to harvest them. What's stopping us?
Faith is helping many through the coronavirus pandemic — and it can also be instrumental in climate protection, say UNEP's Inger Andersen and Azza Karam of Religions for Peace in a guest commentary.
Rob Greenfield is on a mission to bring a sustainable living message to the world using unusual approaches from wearing the trash he produces and foraging for food to cycling penniless across the US on a bamboo bicycle.
After years in the lab, will meats derived from animal cells finally break into the mainstream consumer market? The products could have huge implications for the planet, human health and animal welfare.
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