News Physics Light, not just heat, might spur water to evaporate If real, the effect might be occurring naturally all over the world Light could help water evaporate by breaking bonds between molecules, scientists propose. In nature, this process could occur where water contacts air, such as in sea-foam or in soils. Tina Terras & Michael Walter/Moment/Getty Images Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Emily Conover November 13, 2023 at 7:00 am Green light means “go.” That might apply to evaporating water molecules too. Visible light, especially that of a greenish hue, might spur water to evaporate, researchers report in the Nov.