As technologies designed to influence weather and climate gain momentum, experts are raising concerns about the lack of international oversight governing their use. Weather modification techniques such as cloud seeding—which disperses substances like silver iodide into clouds to encourage rainfall—are already being used in countries including China, United Arab Emirates, and the United States. At the same time, more ambitious geoengineering proposals are being explored, including injecting reflective particles into the upper atmosphere to reduce global temperatures and brightening marine clouds to reflect more sunlight back into space. Supporters argue that such technologies could help address droughts, extreme heat, and climate change, while critics warn of unintended environmental consequences and geopolitical tensions.
Scientists and policymakers say governance frameworks have failed to keep pace with technological developments. There is currently no comprehensive global system regulating large-scale climate intervention projects, despite concerns that actions taken by one country could alter weather patterns in another. Researchers warn that changes in rainfall distribution, agricultural productivity, and water availability could create disputes across borders if weather-engineering projects expand without international coordination. As climate change intensifies pressure on governments to find new solutions, experts are calling for stronger global agreements, transparent research standards, and independent oversight to ensure that attempts to engineer the atmosphere do not create new environmental and political risks. More