If this result holds up, it’s potentially big: https://www.nature.com/articles/s41558-025-02481-0'nIn short, it implies that #LightPollution is decreasing the efficiency with which #plants remove carbon from the atmosphere.
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If this result holds up, it’s potentially big: https://www.nature.com/articles/s41558-025-02481-0
In short, it implies that #LightPollution is decreasing the efficiency with which #plants remove carbon from the atmosphere. It concludes that artificial light at night increases “#ecosystem respiration” (plants, microbes, and animals releasing carbon dioxide through their activity and growth), but there is no no corresponding increase in #photosynthesis.
The result is that plants exposed to ALAN emit more #carbon than they absorb from the #atmosphere. The authors write: “Our findings show that ALAN disrupts the fundamental energetic constraints on ecosystem metabolism, warranting the inclusion of light pollution in global change and carbon–climate feedback assessments.”
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