US EditionStudy Finds Geoengineering Can't Save Coffee, Chocolate, Wine Crops
Only 6 of 18 key luxury crop regions showed improvement under Stratospheric Aerosol Injection, with unpredictable rainfall and humidity undermining its effectiveness, researchers said.
- On November 4, 2025, a study published in Environmental Research Letters found stratospheric aerosol injection may not secure the future of wine grapes, coffee and cacao.
- Luxury crops require tightly defined conditions and are highly sensitive to shifts in precipitation and humidity, while internal variability can overwhelm geoengineering efforts.
- The researchers modelled SAI as releasing reflective sulfur aerosols and tested temperature-targeted scenarios at 1.0 and 1.5 above pre-industrial, using daily and monthly climate data across 18 major growing regions.
- Only six regions showed reliable gains under SAI, while France faced nearly $60 billion in wine revenue differences and Brazil and Ghana showed volatile outcomes.
- The study concludes SAI remains speculative and researchers urge adaptation strategies, resilient agricultural investment, and global cooperation amid recent years of growing skepticism about aerosol injections.
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Science Daily
ecotopical.comEven climate fixes might not save coffee, chocolate, and wine, scientists warn
Even with futuristic geoengineering methods like Stratospheric Aerosol Injection, the fate of wine, coffee, and cacao crops remains uncertain. Scientists found that while this intervention could slightly cool the planet, it cannot stabilize the erratic rainfall and humidity that devastate yields. The findings reveal that only a fraction of major growing regions might benefit, leaving most producers exposed to volatile harvests and economic insta…
Climate intervention may not be enough to save coffee, chocolate and wine, new study finds
A new study published in Environmental Research Letters reveals that even advanced climate intervention strategies may not be enough to secure the future of wine grapes, coffee and cacao. These crops are vital to many economies and provide livelihoods for farmers worldwide. However, they are increasingly vulnerable to the effects of climate change. Rising temperatures and changing rainfall patterns cause big variations in crop yields from year t…
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