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Engineers in central Kenya are using geothermal steam to capture carbon dioxide directly from the air, scaling up direct air carbon capture technology as a potential solution to combat climate change

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36,206 просмотров • 1 год назад •via X (Twitter)

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The world’s first commercial direct air capture plant is trying to fight climate change by sucking carbon dioxide out of the air.
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The world’s first commercial direct air capture plant is trying to fight climate change by sucking carbon dioxide out of the air.

60 Minutes

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Replacing gas with renewables for California’s electricity has reduced twice the carbon as all the world’s carbon capture projects Just to give an idea of how insanely useless carbon capture and direct air capture are, consider the following. All 77 of the world’s carbon-capture facilities capture about 64 million tonnes of CO2 per year. But a quarter of that CO2 is added back to the air from the energy needed to capture and pipe the CO2 and more is added back because 82 percent of all CO2 captured is used to dig more oil out of the ground, a process that releases 85 percent of the captured CO2 back to the air. Accounting for both leaves a net of only 19 million tonnes of CO2 per year captured. Yet from 2023 to 2026, California’s main electricity grid replaced 61 percent of its fossil gas with wind-water-solar electricity plus imports, which themselves are 57 percent wind-water-solar. This replacement of gas has eliminated 38 million tonnes of CO2-equivalent per year, or twice the current world net carbon capture rate. What is more, replacing the gas has also eliminated the mining and processing of the gas, the health costs of the air pollution from mining and burning the gas, and the need for and cost of capture equipment and carbon dioxide pipelines. Carbon capture and direct air capture only increase air pollution health damage, mining, pipelines, and costs. Plus, a single dollar spent on carbon capture simply increases carbon dioxide relative to spending the same dollar on renewables replacing a fossil source. The bottom line is that we should invest in electrification and replacing fossil fuels with clean, renewable energy instead of subsidizing carbon capture, direct air capture, and related gimmicks. CCUS projects Energy, health, and climate costs of carbon capture and direct air capture versus 100%-wind-water-solar climate policies in 149 countries The health and climate impacts of carbon capture and direct air capture Fossil gas use down 61% in California YouTube
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Replacing gas with renewables for California’s electricity has reduced twice the carbon as all the world’s carbon capture projects Just to give an idea of how insanely useless carbon capture and direct air capture are, consider the following. All 77 of the world’s carbon-capture facilities capture about 64 million tonnes of CO2 per year. But a quarter of that CO2 is added back to the air from the energy needed to capture and pipe the CO2 and more is added back because 82 percent of all CO2 captured is used to dig more oil out of the ground, a process that releases 85 percent of the captured CO2 back to the air. Accounting for both leaves a net of only 19 million tonnes of CO2 per year captured. Yet from 2023 to 2026, California’s main electricity grid replaced 61 percent of its fossil gas with wind-water-solar electricity plus imports, which themselves are 57 percent wind-water-solar. This replacement of gas has eliminated 38 million tonnes of CO2-equivalent per year, or twice the current world net carbon capture rate. What is more, replacing the gas has also eliminated the mining and processing of the gas, the health costs of the air pollution from mining and burning the gas, and the need for and cost of capture equipment and carbon dioxide pipelines. Carbon capture and direct air capture only increase air pollution health damage, mining, pipelines, and costs. Plus, a single dollar spent on carbon capture simply increases carbon dioxide relative to spending the same dollar on renewables replacing a fossil source. The bottom line is that we should invest in electrification and replacing fossil fuels with clean, renewable energy instead of subsidizing carbon capture, direct air capture, and related gimmicks. CCUS projects Energy, health, and climate costs of carbon capture and direct air capture versus 100%-wind-water-solar climate policies in 149 countries The health and climate impacts of carbon capture and direct air capture Fossil gas use down 61% in California YouTube

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6 gigatons of carbon dioxide need to be removed from the atmosphere each year – the equivalent weight of 36 million blue whales. Could this carbon capture project be part of the solution? Paid post by TotalEnergies
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Canada: A pizzeria in Toronto has started charging customers a 2% "carbon fee" to "offset" their "carbon footprint". "What we eat fuels climate change. Adding 2% to every restaurant bill to invest in carbon capture will help offset our carbon footprint." Would you return to a restaurant that added a "carbon fee" to your bill?

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Billions of dollars, not millions, are needed to address the ongoing climate crisis, climate activist Vanessa Nakate said, adding that experts like the IEA have said carbon capture storage hasn't reached the commercial scale to address the crisis #COP28UAE
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Around the globe, there’s an effort to scale up direct air capture plants to try to slow climate change. “Am I optimistic as an engineer? I am, absolutely. Am I optimistic as a citizen? Maybe half-half,” said aerospace engineer Carlos Haertel.
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