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?

EXPLORE THE TOPIC

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

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Leverage our articles, graphics, videos, and podcasts – for free – to further the conversation.

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Perspective matters.

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

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Latest Content

Perspective

What Do People in Bangladesh Think About SRM?

4 min read

News Article

Planes for SAI May Be Closer and Cheaper Than Previously Thought

7 mins

Graphic

Stratospheric aerosol injection

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News Article

Two Conferences Highlight a Transatlantic Divide on SRM

6 mins

News Article

UK Public Dialogue Finds Support for SRM Research, With Reservations

6 mins

Perspective

The Cultural Architecture of SAI: Systems, Resource Extraction, and Climate Justice

9 min read

On the Horizon

Live Discussion

July 16 2026

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An ocean view with an orange sunset

A sunset at Kaohsiung Harbor

Credit: alamy

The History of Solar Geoengineering

Join us for our next live discussion on how the field of solar geoengineering originated and developed, and how it may evolve in the future.

David Keith

Sikina Jinnah

Oliver Morton

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