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US scientists harness sunlight to capture CO2 in low-energy breakthrough

Neetika Walter September 04, 2025 3 min read
Interesting Engineering
US scientists harness sunlight to capture CO2 in low-energy breakthrough
AI Article Summary

Researchers at Harvard, led by Richard Y. Liu, have developed a method to capture CO2 using sunlight and specialized molecules known as photobases. This approach offers a more energy-efficient alternative to traditional direct air capture methods, relying on light to transform the chemical state of the molecules. The project aims to provide scalable and low-energy solutions for reducing greenhouse gases, supported by funding and collaboration with other experts. Findings have been detailed in Nature Chemistry, emphasizing this innovation's potential role in climate change mitigation.