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Announcing Rainmaker’s $100M Series B
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gist
Rainmaker raised $100M Series B with NOA VC, Upfront Ventures, DCVC, Lowercarbon Capital, and Dream Ventures to scale glaciogenic cloud seeding into what CEO Augustus Doricko calls intentional terraforming of Earth. The company says it already produced over 145 million verified gallons of precipitation and 19 million gallons in three hours in Alaska, and aims by the 2026–2027 season to undercut desalination and other incremental water sources in the Colorado River Basin. The round funds a research flywheel toward becoming America's Weather Prime.
ideas
- Weather is the first terraforming wedge. Habitable land is scarce; Rainmaker treats reliable freshwater from cloud seeding as the most solvable constraint on productive biomes.
- Scale claims are already quantified. The company reports over 145 million verified gallons across four months and 19 million gallons in three hours near Homer, Alaska.
- Unit economics are the near-term test. By the November 2026–April 2027 season it expects cost per acre-foot to undercut desalination, fallowing, and other Colorado River Basin substitutes.
- The research org is the product. Funding will hire atmospheric scientists and build a data-to-intervention flywheel rather than only expand seeding crews.
- Weather Prime is the end state. Doricko frames Rainmaker as America's answer to China's weather-modification apparatus, with autonomy and sensors next.
quotes
“We produced over 145 million verified gallons of precipitation, nearly 1800 annual American households’ water demand”
“By 2030, 40% of global water demand will go unmet.”
“Yet, at any given moment, the atmosphere holds enough water to meet annual global demand three times over.”
“Put simply, in order to terraform, we must first produce much, much more water.”