Climate engineering would alter the oceans, reshaping marine life – our new study examines each method’s risks

Some methods being tried to counter climate change shift the ocean’s biology or chemistry. Others would deflect solar radiation. All have consequences for marine life.

By: Kelsey Roberts, Cornell University; UMass Dartmouth; Daniele Visioni, Cornell University; Morgan Raven, University of California, Santa Barbara, and Tyler Rohr, University of Tasmania, The Conversation

Outlets: The Conversation

Published: January 14, 2026

Words: 1,539

Last Updated: 2 months ago

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By Kelsey Roberts, Cornell University; UMass Dartmouth; Daniele Visioni, Cornell University; Morgan Raven, University of California, Santa Barbara, and Tyler Rohr, University of Tasmania

Climate change is already fueling dangerous heat waves, raising sea levels and transforming the oceans. Even if countries meet their pledges to reduce the greenhouse gas emissions that are driving climate change, global warming will exceed what many ecosystems can safely handle.

That reality has motivated scientists, …

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