https://techxplore.com/news/2025-02-carbon-capture-renewables.html
'For most countries around the world, sourcing energy entirely from wind,
solar, geothermal, and hydropower by 2050 would reduce their energy needs and
costs, improve air quality, and help slow climate change, according to a study
in
Environmental Science & Technology.
These benefits, the authors say, could be realized at a fraction of the cost of
implementing technologies that remove carbon dioxide (CO₂) from the air and
capture it from stationary emitters like industrial smokestacks.
"If you spend $1 on carbon capture instead of on wind, water, and solar, you
are increasing CO₂, air pollution, energy requirements, energy costs,
pipelines, and total social costs," said lead study author Mark Jacobson, a
professor of civil and environmental engineering in the Stanford Doerr School
of Sustainability and Stanford School of Engineering.
This holds true even if zero-emission energy systems power the technology
deployed to extract carbon dioxide, Jacobson added.
"It's always an opportunity cost to use clean, renewable energy for direct air
capture instead of replacing a fossil-fuel CO₂ source, just like it's an
opportunity cost to use it for AI or bitcoin mining. You're preventing
renewables from replacing fossil fuel sources because you're creating more
demand for those renewables," he said.'
Via Christoph S.
Cheers,
*** Xanni ***
--
mailto:xanni@xanadu.net Andrew Pam
http://xanadu.com.au/ Chief Scientist, Xanadu
https://glasswings.com.au/ Partner, Glass Wings
https://sericyb.com.au/ Manager, Serious Cybernetics
