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October 26, 2018 08:30 am

Scientists Push For Government Research Program Focused On Sucking Carbon From Air

In a 369-page report, the nation's leading scientific body (consisting of the National Academies of Sciences, Engineering and Medicine) is urging the federal government to begin a research program focused on developing technologies that can remove carbon dioxide from the atmosphere in order to help slow climate change. It is now believed that in order to avoid significant further warming of the planet, big chunks of carbon dioxide in the atmosphere may need to be removed. The New York Times reports: The panel's members conceded that the Trump administration may not find the climate change argument all that compelling, since the president has disavowed the Paris Agreement. But, Dr. Pacala said, it's quite likely that other countries will be interested in carbon removal. The United States could take a leading role in developing technologies that could one day be worth many billions of dollars. Right now, there are plenty of ideas for carbon removal kicking around. Countries could plant more trees that pull carbon dioxide out of the air and lock it in their wood. Farmers could adopt techniques, such as no-till agriculture, that would keep more carbon trapped in the soil. A few companies are building "direct air capture" plants that use chemical agents to scrub trace amounts of carbon dioxide from the air, allowing them to sell the gas to industrial customers or bury it underground. But, the National Academies panel warned, many of these methods are still unproven or face serious limitations. There's only so much land available to plant new trees. Scientists are still unsure how much carbon can realistically be stored in agricultural soils. And direct air capture plants are still too expensive for mass deployment. One solution that the National Academies panel recommended was for the United States to set up programs to start testing and deploying carbon removal methods that look ready to go, such as negative emissions biomass plants, new forest management techniques or carbon farming programs. "At the same time, federal agencies would need to fund research into early-stage carbon removal techniques, to explore whether they may one day be ready for widespread use," reports the NYT.

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