Shoes Made From Coffee Grounds and Recycled Plastic Bottles Are Not Only Waterproof But Super Comfy

Your morning coffee could be used to make a pair of sneakers, a Finnish startup reveals. Rens makes new kicks from old coffee, cutting back on waste in terms of space in landfills and methane emissions.

5,000 backers pledged over $500,000 to see the sneaker come to life, which uses…