Big brands are paying startup Vaulted Deep $58.3 million to shoot poop and other organic waste products into underground wells as a way to fight climate change. The deal was brokered by a group called Frontier Climate, which includes Stripe, Alphabet, Meta, Shopify, and McKinsey Sustainability. Vaulted Deep's strategy is to gather sewage, manure, and agricultural and paper mill waste and inject it deep underground to keep carbon in the waste from rising into the atmosphere as it decomposes. The company has an advantage in that it is built on technology that's already been used for decades to get rid of sludge from oil and gas fracking.
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