Sunscreen

Startup
Summarized by Halo AI

Sunscreen provides an environmentally safe, water-free heat wave defense system that uses proprietary atmospheric modeling and robotic deployment to reduce solar radiation and combat extreme heat for agriculture and industry.

Founded & HQ
San Francisco, CA, USA
Company size
1-10 employees
Funding
~$5.2M
Activity highlights
Announced a partnership with Lattica to bring production-ready TFHE to developers and released their Parasol compiler to turn code into high-performance FHE programs.

Sunscreen is a climate-tech company that provides a water-free heat wave defense system designed to mitigate extreme heat for agricultural, industrial, and urban applications. The company utilizes proprietary atmospheric science models to deploy robotic systems that reduce solar radiation and ambient temperature. Their solution is intended to protect high-margin crops, improve livestock welfare, decrease HVAC energy demands for data centers, and address extreme heat in military and urban environments. The technology employs biodegradable, non-toxic materials that are designed to be environmentally safe and effective even in drought-prone areas, offering a scalable alternative to traditional cooling methods like irrigation or shade cloths.

The company’s approach is centered on precision cooling to safeguard productivity and safety against flash heat events. By offering a water-free solution, Sunscreen addresses the critical challenge of maintaining operational resilience in water-scarce regions. The organization is led by CEO Solomon Kim and has engaged in development backed by academic and industry expertise to validate performance through monitoring and verification systems. Their work aims to turn extreme heat stress events into manageable conditions, providing a practical tool for industries where the economic and health impacts of rising temperatures are most significant.

AI summary generated on Jun 22, 2026
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For general inquiries

SK
Solomon Kim
CEO, Stanford Graduate Student
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