This best-seller cast doubt on the link between carbon dioxide (CO2) and global temperatures, emphasized the positives of CO2, and suggested that the sensible solution to climate change involves pumping SO2 into the stratosphere.4 Similar proposals continue to attract adherents, eager for a quick-fix solution that does not involve ending the use of fossil fuels.5 In June 2023, the White House rele. [...] However, increasing concentrations of aerosols in the stratosphere would impact hydrological and atmospheric systems in hard-to-predict ways.7 These uncertainties are likely to strongly impact the effects of aerosol deployment.8 Pouring funding into solar management research is unlikely to resolve these uncertainties.9 Proponents of SAI point to a 1991 volcanic eruption in the Philippines that rel. [...] Shortwave UV-B radiation is harmful to plants, resulting in an increase in CO2 emissions in addition to potential crop damage.36 Finally, sulfate aerosols change the chemistry of the stratosphere and impact the cycle of carbon, nitrogen, and sulfur.37 Changes to the nitrogen cycle would in turn have unpredictable impacts on the ozone layer, which impacts skin cancer risk.38 These changes also affe. [...] ORG None of these technological magic bullets will address ocean acidification; only ending CO2 emissions will stop the acceleration of ocean acidification and allow the ocean to recover.52 In fact, side effects of these sci-fi proposals may cause additional damage to the ocean. [...] “Circling the drain: the extinction crisis and the future of humanity.” Philosophical Transactions of the Royal Society B.
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