Food-share apps seeking to help environment

Jack Convery pops into a London branch of Italian eatery Coco di Mama to grab a cut-price lunch ordered on his smartphone's food-sharing app Karma.

Reuse, recycle, refill: Writing the future with green pens

While conducting a "waste audit" on select campus trash bins, sustainability-minded Berkeley students discovered not just to-be-expected coffee-cup lids but a surprising assortment of oddball plastic items, from plastic bags ...

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