The World’s Best Sustainability Ideas

Katerva, a four-year-old nonprofit set up to recognize and support stand-out sustainability efforts around the world, has just announced its second annual awards in a competition it bills as the Nobel Prize in the broad and somewhat amorphous field of sustainability. Among the eclectic choices: a computer game that solves scientific problems, a nonprofit co-founded by actor Matt Damon that leverages donor funds to provide microloans to clean water projects and a venture by Japanese technology giant Mitsubishi that makes ships move more efficiently through the ocean, cutting down on CO2 emissions.

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