Forest Carbon's Back-End Durability Problem
Declining emissions and rising atmospheric concentrations point to a stubborn fact about carbon dioxide: once it’s in the air, it stays there. How long, exactly, is a complicated question; for all intents and purposes, though, CO2 emissions are cumulative. The comparison that’s often made is to a bathtub. So long as the tap is running, a stoppered
... See moreElizabeth Kolbert • Under a White Sky
Recent good news is that the world’s forests have been a large and persistent carbon sink (storing more than they emit), locking away about 2.4 billion tons of carbon every year between 1990 and 2007, and satellite data for 2000–2017 indicate that one-third of the world’s vegetated area has been greening (showing a significant increase in the
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