CNN Fareed Zakaria GPS August 25, 2019 17:37:00
>> it stunned me to realize in the last 50 years we have seen a doubling in human population and a tripling in meat consumption. so you're exactly right. there's not just -- it's not just a challenge of adding more humans to the planet. it's shifting diets toward more protein-rich and meat-rich eating habits. >> how many animals do we kill every year to feed the world? you have that number. >> it's 10 tens of billions, a there's shifting data, but we slaughter tens of billions of animals a year for human consumption. one of the most interesting a a areas of adaptation and innovation. we have h...
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