“We need to change cows.”
Bill Gates outlines all the different ways he is “changing cows” in order to save the planet from catastrophic methane emissions, including lab-grown meat and methane-reducing vaccines.
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Bill Gates: “Cows are about 5% of global emissions, which is pretty unbelievable. Wild. And if your goal is to get to zero, you don’t get to skip the cows or the steel or the cement or any of those big areas. So there’s a whole class of solutions of making meat without cows.”
“Today, it doesn’t taste as good and it costs too much. It’s going through a little bit of a lull, but those companies, Impossible Beyond, Memphis and others, are pursuing that. In terms of the cows, we actually have, we pursued many solutions.”
“So one is to vaccinate the cows in a way that their gut bacteria that emit the methane, which is also called natural gas for CH4, which is the second most important greenhouse gas, you can vaccinate them and that species of bacteria isn’t there.”
“Their stomachs are very special because they can eat grass. It’s a three-stage fermentation process, basically. There’s another way you can change what they eat and you could either put that in their water or their feed. There is a drug to change the microbiome, not a vaccine, but a drug.”
“That looks very promising. And then there’s a solution where you stick a sort of a metal thing into the skin of the cow, and it actually burns the methane. And all of these look to be quite cheap and implementable, even in Africa. And so this is one where I wasn’t hopeful when I got started a decade ago. And now it’s just a question of which solution. for which country ends up being the best.” Source: Reid Hoffman
