NYC’s Greenhouse Gas Emissions Drop to Pandemic Levels in Sign of Local Climate Laws’ Impact | Phasing out fuel oil in buildings, improved energy efficiency and cleaner, greener cars contributed to a 5% decline between 2023 and 2024.

The [COVID lockdowns of 2020 temporarily lowered our rate of CO2 emissions](https://www.nature.com/articles/s41467-020-18922-7/figures/1). Humanity was still a net CO2 gas emitter during that time, so we made things worse, but did so more a bit more slowly. That’s why a [graph of CO2 concentrations](https://keelingcurve.ucsd.edu/) shows a continued rise.

[Stabilizing the climate means getting human greenhouse gas emissions to approximately zero](https://www.carbonbrief.org/explainer-will-global-warming-stop-as-soon-as-net-zero-emissions-are-reached). We didn’t come anywhere near that during the lockdowns.

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