Not even pandemic can flatten the Keeling Curve
8 Jun 2020

At Mauna Loa observatory in Hawaii, data on CO2 concentrations in the atmosphere has been amassed and displayed as the Keeling Curve, named for climate scientist Charles David Keeling, who began measurements there in 1958
AS GRAPHS GO, the Keeling Curve is simple, but it clearly illustrates the planet's vexing global warming challenge.