Risky Climate
How to Judge Biden’s Record on Climate Change
To assess the effectiveness of climate policies, don’t look at today’s CO₂ emissions, instead focus on trajectory.
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Levels of CO₂ in the atmosphere were higher in 2020 than in any year in human history. They will be higher in 2021, reaching 50% above pre-industrial levels for the first time. Concentrations will be higher still in 2022, 2030, and will likely continue to grow for the better part of the century.