Blue-duotone photo montage: a stratospheric research balloon ascending, sunlight through clouds, a man signing a document, a telescope aboard a research vessel at sea, a volcanic ash eruption, and a large group of conference attendees.

The evolution of SRM

How did solar geoengineering grow from a fringe idea into a global field of study?

EXPLORE THE TIMELINE

A submarine surfacing through Arctic sea ice, with crew members visible on the conning tower. The vessel is surrounded by broken ice floes against a pale grey winter sky.

SRM & Security

Could solar geoengineering reduce climate-driven security risks – or increase geopolitical tensions?

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Under the Lens

From misconceptions to misinformation – we examine common SRM claims and explain what the evidence actually shows.

GET THE FACTS

What is SRM?

What are sunlight reflection methods – also known as solar geoengineering – and why do they matter now?

Explore SRM

Perspective matters.

Big ideas are bound to generate disagreement. We spotlight diverse, informed opinions.

BROWSE PERSPECTIVES

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