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Carbon Cycle

Braided Arctic rivers cutting through thawing tundra on Alaska's North Slope with exposed permafrost layers

Arctic Permafrost Is Melting Into Rivers, Releasing Carbon Frozen for Thousands of Years

A 44-year study of Alaska's North Slope reveals how thawing permafrost is flushing ancient dissolved carbon into Arctic rivers and reshaping coastal ecosystems.

Casey Cooper·April 8, 2026 at 4:14 PM UTC

Microscopic view of marine organisms surrounded by microplastic particles in blue ocean water

Nature

How Microplastics Are Weakening the Ocean's Climate Defense

The ocean absorbs billions of tons of CO2 annually, our biggest ally against climate change. New research shows microplastics may be disrupting this critical process.

Casey Cooper·January 21, 2026

Dramatic visualization of Earth with half showing warming and half frozen

Science

New Study Suggests Global Warming Could Eventually Trigger an Ice Age

UC Riverside researchers have uncovered a missing feedback in Earth's carbon cycle that explains how warming can spiral into extreme cooling over geological time.

Morgan Wells·December 20, 2025

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