Providing people with protein is not all that will drive this change. “Cattle ranching is always going to be an environmental disaster, and ground beef is always going to be bad for you,” says Jason Matheny, director of New Harvest, a nonprofit that funds research into cultured meat. “On reducing greenhouse gas emissions alone, switching to cultured meat is the equivalent of everyone in America suddenly driving hybrids. And, healthwise, real beef is always going to have fatty acids that contribute to heart disease. You just can’t turn a cow into a salmon, but cultured meat allows us to do just
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