Public awareness grows regarding geo-engineering efforts like solar radiation management and cloud-seeding, amid unresolved questions about their ecological effects, regulatory oversight, and geopolitical ramifications.
Concerns surrounding geo-engineering projects, particularly those involving solar radiation management (SRM) and cloud-seeding, have been raised amid increasing public awareness following recent media reports. These interventions, designed to modify weather patterns or reduce the effects of climate change, have a complex history and a controversial present due to their potential impacts and lack of comprehensive regulation.
Historic and ongoing weather modification efforts include cloud-seeding, which has been employed since the 1940s. This method typically involves dispersing substances such as salt or silver iodide into clouds to induce rainfall. Cloud-seeding is now widely used around the world—in countries including Saudi Arabia, the United States, China, Russia, Thailand, Australia, and reportedly France and Spain—as a tool for managing drought, mitigating wildfires, reducing heatwaves, fog, hail, and even to increase snow in ski resorts. Its widespread use is supported by various government and military programmes as well as commercial interests. The global market for cloud-seeding technology is projected to grow significantly through to 2032 across several key regions.
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