Can reflecting the Sun buy time for net zero? A startup has raised $US75m to try (opens original article in a new tab)

A startup has raised $75 million to develop solar geoengineering technology that reflects sunlight using atmospheric particles, raising concerns about global weather impacts and the need for regulation.

• A US-Israeli startup, Stardust Solutions, has raised $75 million to develop solar geoengineering technology involving reflective particles in the atmosphere.
• The technology aims to temporarily reduce global heating but poses risks to weather systems, particularly monsoons in South and South-East Asia.
• India and other countries are considering regulations due to concerns about potential impacts on rainfall and agriculture.