Scientists look to the sky in effort to mitigate carbon problem

A global research effort has assessed two promising technologies to remove carbon dioxide from the atmosphere. While still in the early stages of development, direct air carbon capture and sequestration (DAC) — together with other carbon dioxide removal strategies — are considered critical to achieving a net-zero greenhouse gas emissions economy by 2050 and limiting global warming to less than 1.5 degrees Celsius by 2100.
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