China Is Lapping the US in Race To Develop Weather-Changing Technology That Would Be a Powerful Weapon, American Researchers Warn

The Chinese military is investing heavily in technology that would actually control the weather, according to a new report drawn from previously unseen Chinese documents, hoping to outpace the United States in developing the means to “alter precipitation patterns, disrupt agriculture, and create geopolitical instability if misused,” the American Council for Capital Formation (ACCF) reported.

Scientists in China and the United States believe they’re close to a breakthrough in achieving what’s called solar radiation management (SRM), a technology that “is no longer a fringe scientific concept but an emerging strategic domain—one in which technological capacity, research leadership, and governance influence will shape national power and global security,” according to the ACCF, a nonpartisan research organization. Scientists now believe the weather-warping phenomenon can be achieved through advanced geoengineering techniques that reflect sunlight. This technology is very different from conventional weather modification techniques, such as cloud seeding, and could be used in tandem with artificial intelligence to significantly alter rain patterns.

China has “more than doubled dedicated funding for SRM-focused research” over the past several years and, in 2026 alone, elevated these projects as a “national-security priority” to ensure its dominance in the field, according to the ACCF report. Drawing on Chinese-language materials “largely unreported in English until now,” the ACCF documented how the CCP has shifted from “broad exploratory work” on SRM projects to “a larger, more focused national research program” that will position China as the global leader in the field.

This outcome would be a clear national security risk for the United States and its Western allies. If China maintains its lead in developing emerging SRM technologies, it would create an uneven playing field in which the CCP has free rein to crush Western competitors in a dual-use technology applicable to modern warfare.

“The alternative to U.S. and allied leadership is not a neutral, benign vacuum,” the ACCF warned in its report. “It is a field increasingly shaped by an actor that is investing in focused SRM capabilities and seeking influence over related standards and governance.” While the “window for democratic leadership” on SRM issues remains open for now, “that window is narrowing” as China pours millions into these projects.

The leading SRM method is achieved through stratospheric aerosol injection, in which sulfur dioxide or similar chemicals are sprayed into the atmosphere to scatter sunlight, reducing temperatures on the ground. But it comes with profound risks that could “alter rainfall patterns, shift monsoons, affect ozone chemistry, or trigger ‘termination shock’ if aerosol injection were abruptly halted,” the ACCF explained in a separate report from February. These techniques could be weaponized by China to inflict ecological disaster on its enemies.

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