The study shows that China, the United States and India – the highest fossil fuel CO2 emitters – have the highest potential for CO2 drawdown using rock dust on croplands. Together, these countries have the potential to remove approximately 1 billion tonnes of CO2 from the atmosphere, at a cost comparable to that of other proposed carbon dioxide removal strategies (US$80-180 per tonne of CO2)
Credit: Dr Dimitar Epihov
2 Billion Tonnes of CO2 Could be Absorbed From the Atmosphere Each Year by Applying Rock Dust to Farmland
- Major new study shows adding rock dust to farmland could remove carbon dioxide (CO2) equivalent to more than the current total emissions from global aviation and shipping combined — or around half of Europe’s current total emissions
- Research identifies the nation-by-nation potential for CO2 drawdown, as well as the costs and the engineering challenges involved
- Findings reveal the world’s highest emitters (China, India and the US) also have the greatest potential to remove CO2 from…
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