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Re-Run: The Economics of the Energy Transition

Columbia Energy Exchange

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Why does getting to net zero require removing CO2 from the air?

Achieving net zero necessitates the removal of CO2 from the atmosphere because current levels of carbon emissions are already above optimal thresholds; specifically, at 1.1 to 1.2 degrees Celsius, exceeding limits for climate stability. While ideally, emissions should not occur at all, practical considerations dictate that using energy will inherently involve carbon release. Therefore, to stabilize global temperatures around the critical limit of 1.5 degrees Celsius, there must be a concerted effort to drastically reduce emissions alongside direct removal of CO2 from the air. This dual approach is not an option but a necessity for climate stability.

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