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Patrick Brown Vows To Reverse Global Warming By Eliminating Animal Agriculture By 2035

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Impossible Foods CEO Patrick Brown outlined Thursday his vision for eliminating the animal-agriculture industry and, through that act alone, offsetting all other carbon emissions for decades beyond.

“I’m confident that by 2035 there will be no global animal-agriculture industry, and it won’t be because anyone banned them,” Brown said Thursday at WebSummit in Lisbon. “It will be because there are products that do a better job of delivering what consumers want that are made directly from plants, and the economic incentive for raising animals for food is gone.”

The former doctor and Stanford University emeritus professor of biochemistry has long aimed to eliminate animal agriculture—which he has called the planet’s biggest problem and history’s most destructive technology—by making plant-based meats that are more delicious, healthier and less expensive than animal meats.

On Thursday, he described immediate benefits that would result simply from the elimination of animal agriculture:

• The world would enjoy net-zero emissions for the subsequent 30 years, even if other industries continued polluting, and

• More than 2/3s of total greenhouse gas emissions would be eliminated through the end of this century.

These benefits occur, he said, because unlike other polluting industries, animal agriculture’s emissions are immediately and naturally reversible.

The industry is largely responsible for three greenhouse gases:

Carbon Dioxide: In its history, animal agriculture has produced CO2 emissions equivalent to about 22 years of current fossil-fuel emissions, Brown said. It has done so largely through deforestation to provide grazing pasture for animals. “You can, over the course of a couple of decades, if you can just get rid of the industry, pull that carbon dioxide out by allowing trees and other plants to recover on this land that right now is cow pastures.”

Methane: Animal agriculture is responsible for about a third of the anthropogenic methane in the atmosphere, Brown said, a gas that breaks down over time into less potent CO2. “When you turn off the emissions from animal agriculture, the decay of methane will erase eight years worth of total greenhouse gas emissions,” he said. “The next eight years of greenhouse gas emissions will be erased by just methane decay.”

Nitrous Oxide: Animal agriculture is responsible for about 95 percent of N₂O emissions, Brown said, which, like methane, decays over time. Levels stay high, he said, only because animal agriculture keeps emitting more of them.

“The same is true of nitrous oxides, it just decays spontaneously. If you shut off the emissions it will decay,” he said. “If we did nothing about fossil-fuel emissions—let’s hope we do something about them, but if we didn’t do anything about them, the negative emissions from eliminating animal agriculture would more than offset the fossil-fuel emissions for the next 30 years.”

“Nobody is talking about this because nobody was considering the possibility of negative emissions; they’re just talking about ongoing positive emissions. So it’s a huge opportunity, it’s absolutely essential, there’s no way we’re going to avoid climate catastrophe without a huge source of negative emissions, and there’s only one huge source of negative emissions available, and that’s getting rid of animal agriculture.”

If that sounds like trouble for ranchers, Brown said, it’s not, because even with a very modest carbon price, ranchers can make more money sequestering carbon by reforesting their land than they make from grazing animals.

“Farmers and ranchers are better off, consumers are better off, and the planet is better off.”

Brown’s first obstacle was deliciousness, making plant-based meats that taste better to meat lovers. His next is cost, he said:

“As soon as we’re at sufficient scale it’ll be less expensive” than animal meat, he said. “There’s more than a trillion pounds—or half a trillion kilos—of animal products eaten every year in the world, so that’s a lot of stuff to make, but it’s been done before. It’s hard but doable, and we have to do it, and we will.”