Sedimentary rocks on the banks of the Mackenzie River, Canada, a major river basin where rock weathering is a CO2 source. Image credit: Robert Hilton. Rocks contain an enormous store of carbon in the ...
For many hundreds of millions of years, the average temperature at the surface of the Earth has varied by not much more than 20 degrees Celsius, facilitating life on our planet. To maintain such ...
The Earth’s natural geological weathering cycle – in which rocks erode and make their way to the sea – traps CO2. But that can take millions of years. Scientists want to accelerate the process to ...
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