Biden plans sweeping effort to block Arctic oil drilling

The U.S. set aside 23 million acres of Alaska's North Slope to serve as an emergency oil supply a century ago. Now, President Joe Biden is moving to block oil and gas development across roughly half of it.

Study reveals giant store of global soil carbon

Soil carbon usually refers only to the organic matter component of soils, known as soil organic carbon (SOC). However, soil carbon also has an inorganic component, known as soil inorganic carbon (SIC). Solid SIC, often calcium ...

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