We can safely experiment on reflecting sunlight away from Earth. Here’s how | Dakota Gruener and Daniele Visioni

Reflecting a small fraction of incoming sunlight to reduce global heating is not a new idea. It is time to safely experimentThe world is warming fast – and our options to avoid catastrophic harm are narrowing. 2024 was the first full year more than 1.5C hotter than the 19th-century average. Emission…