Estimating the environmental impact of Bitcoin mining

As an alternative to government-issued money, the cryptocurrency Bitcoin offers relative anonymity, no sales tax and freedom from bank and government interference. But some people argue that these benefits have an enormous ...

Clay minerals call the shots with carbon

Clay minerals suspended in seawater binds sedimentary organic carbon to their mineral surfaces. But the quantity of carbon that is bound and the source of that carbon very much depends on the clay mineral in question. A research ...

Getting to the root of carbon storage in deep soils

Land use changes, nutrient depletion, and drought can make plant roots grow deeper into the soil. But scientists question how that growth affects carbon in the soil. Could more roots reaching deep soil layers result in more ...

Can we tweak marine chemistry to help stave off climate change?

The world's nations are nowhere near to meeting the global Paris Agreement's goals on climate change of holding global temperature increases to 2 degrees Celsius compared to 19th-century averages, much less its more aspirational ...

New report examines key steps in removing carbon dioxide from air

Peter Kelemen is a geologist and the Arthur D. Storke Memorial Professor at Lamont-Doherty Earth Observatory. A member of the National Academy of Sciences (NAS) and an expert in carbonation of rock from Earth's mantle, Kelemen ...

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