Marine Microbe Engineered in US Makes Rocks Absorb CO2 Faster
4 Articles
4 Articles
Engineered bacteria offer a new way to accelerate rock weathering for carbon removal
Rock weathering, the breakdown and dissolving of rocks and minerals caused by their exposure to water, air and biological life, is a major regulator of Earth's atmospheric CO2 levels and climate. Throughout Earth's history, rock weathering has been faster during warm periods with increased atmospheric CO2 levels.
Marine microbe engineered in US makes rocks absorb CO2 faster
Scientists have genetically engineered a widespread marine bacterium to accelerate rock weathering, a natural process that removes carbon dioxide from the atmosphere and helps regulate Earth’s climate. The team from Harvard University’s Wyss Institute, Harvard Medical School, and the Stanford Doerr School of Sustainability modified Alteromonas macleodii to increase the weathering of olivine in seawater. Tested in custom bioreactors, the bacteriu…
Engineers at Harvard University in the US would use olivine and a specially engineered bacterium to reduce carbon dioxide in the atmosphere.
The genetically modified marine bacterium Alteromonas macleodii accelerated the natural weathering of the mineral olivine by 2.6 times. This helped purify ocean water from dissolved carbon dioxide.
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