'Blue finance' hopes to put oceans on a sustainable path

The world's oceans are set to become an increasingly vital resource for helping the planet cope with soaring population growth, but officials are only beginning to craft regulatory frameworks that would ensure "blue financing" ...

The fat of the land: Estimating the ecological costs of overeating

With every unfinished meal since Band Aid, you've heard it: "people are starving in Africa, y'know". True, the UN estimates that rich countries throw away nearly as much food as the entire net production of sub-Saharan Africa—about ...

Well-meaning climate measures can make matters worse

Lifestyle changes can reduce our greenhouse gas emissions and help protect nature. While some actions offer great potential, some aren't as effective as we think and may even require more land and water, such as shifting ...

Learning from a circular economy pioneer

Back in the 1990s, 60 percent of waste went to landfill in the Swedish city of Lund. Today it's less than 2 percent, and the region is a pioneer of the burgeoning circular economy.

Nature-inspired antibacterial metals

From aviation to medicine, various sectors are increasingly using materials that mimic the lotus plant, whose leaves have self-cleaning properties. Thanks to the bumpy surface structure covered with tube-shaped wax crystals, ...

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