A sobering reminder of how staggeringly difficult a goal like net zero is. At its peak, 85% of the global economy was in lockdown. Emissions back to pre-pandemic levels by end of the year. Total decline for the year 5.4%. And peak decline year-on-year was ONLY 18%.
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Glen Peters
@Peters_Glen
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A new estimate of fossil CO₂ emissions in 2020 from @Carbon_Monitor, showing a decline in the full year of 5.4% (1900MtCO₂).
The dip was largest in the first COVID19 wave in ~April, but at the end of 2020, monthly emissions were similar to 2019.
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arxiv.org/abs/2103.02526
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