<div dir="ltr">Explore this gift article from The New York Times. You can read it for free without a subscription.<br><br>Can Some Very Tiny Particles Cool the Planet? One Tech Company Says Yes.<br><br>Stardust Solutions says its tiny spheres can reflect the sun’s rays without harming people or the environment. Critics say private companies have no business altering Earth’s atmosphere.<br><br><a href="https://www.nytimes.com/2026/05/14/climate/stardust-solutions-geoengineering-cooling-earth.html?unlocked_article_code=1.iVA.djDr.uOfAGVb-_JH-&smid=em-share">https://www.nytimes.com/2026/05/14/climate/stardust-solutions-geoengineering-cooling-earth.html?unlocked_article_code=1.iVA.djDr.uOfAGVb-_JH-&smid=em-share</a></div>