Whale DNA Found in Mud Could Reveal a Climate Change Solution

Why would scientists brave freezing winds and raging seas just to dig up mud from the bottom of the Antarctic Ocean? Because that mud could hold the answers to how our planet has changed — and how we might save it.

This international team drilled deep into the seafloor to recover sediment cores, capturing centuries of untouched ocean history. Layer by layer, the mud reveals DNA from marine life, pollution levels, and even clues about how industrial whaling affected the planet.

Now, researchers are using cutting-edge environmental DNA techniques to measure how whales helped trap carbon in the ocean — and how their disappearance might have accelerated climate change.

This frozen mud could reshape our understanding of how the ocean helps regulate Earth’s climate — and how we must act to protect it.
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