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carbon

Swirls of blue and green are seen in a satellite image of the ocean. On the edges of the image are green areas of land, white areas of ice, and white clouds.
Posted inResearch Spotlights

Bacteria Decide the Ocean’s Dissolved Organic Carbon Abundance

by Saima May Sidik 3 March 20263 March 2026

Dissolved organic carbon prevalence follows from how many bacteria are around to eat it, modeling suggests.

The United States White House on a cloudy, snowy day.
Posted inResearch & Developments

The Endangerment Finding Is Lost

by Grace van Deelen 11 February 202617 February 2026

Tomorrow, the EPA will revoke the 2009 Endangerment Finding, finalizing a July proposal to do so, Press Secretary Karoline Leavitt said in a 10 February announcement.

Three people in bright yellow and orange jackets appear to be on a boat. They are reaching for a collection of tanks that will be lowered into the water. Two other ships are visible in the distance.
Posted inResearch Spotlights

Marine Snow Grows Faster and Fluffier as It Sinks

by Madeline Reinsel 16 January 202616 January 2026

New observations highlight how abiotic and biotic processes influence the tiny oceanic particles.

A colorized image of the North Atlantic Ocean shows swirls of (from top to bottom) blue, green, yellow, and orange.
Posted inResearch Spotlights

What Could Happen to the Ocean’s Carbon If AMOC Collapses

by Rebecca Owen 6 January 20266 January 2026

Mass glacier melting may have led this influential ocean current system to collapse at the end of the last ice age. A pair of modeling studies examines how such a collapse could affect dissolved inorganic carbon and carbon isotopes in Earth’s oceans.

Microscopic marine algae known as coccolithophores covered in calcium carbonate shells.
Posted inResearch Spotlights

How a Move to the Shallows 300,000 Years Ago Drove a Phytoplankton Bloom

by Nathaniel Scharping 5 January 20265 January 2026

And what that could mean for today’s ocean.

A green tractor towing a no-till planter drives through a field of bright yellow wild mustard plants.
Posted inOpinions

How Can We Tell If Climate-Smart Agriculture Stores Carbon?

by Savannah Gupton, Mark Bradford, Alex Polussa, Sara E. Kuebbing and Emily E. Oldfield 1 December 20252 February 2026

Quantitative data at real-world scales are needed to assess the effects of cover cropping and other practices on soil carbon storage. Large-scale medical studies provide a proven methodology.

Tangled strands of mycorrhizal fungi with an appearance similar to plant roots.
Posted inResearch Spotlights

How Plant-Fungi Friendships Are Changing

by Saima May Sidik 22 October 202522 October 2025

A new framework shows how much carbon plants allocate to their endosymbionts and how that amount might change in the face of warming soil and rising carbon dioxide levels.

Bison graze on green grass at Yellowstone National Park near a wire exclosure used to measure grasses.
Posted inNews

Free-Roaming Bison Graze Life into Grasslands

by Rebecca Owen 24 September 202524 September 2025

A new study suggests that Yellowstone’s herd of bison accelerates nutrient cycling, offering a glimpse into the North American plains of yesteryear.

EPA Administrator Lee Zeldin speaks at a podium in an auto dealership, with other EPA staff and stakeholders standing behind him.
Posted inResearch & Developments

Public Speaks Out Against EPA Plan to Rescind Endangerment Finding

by Grace van Deelen 25 August 202529 January 2026

Advocates, scientists, doctors, members of Congress, kids, parents, and other individuals spoke out in a series of hearings last week to let the Environmental Protection Agency know how they feel about a potential sea change in climate and environmental policy: the proposed repeal of the 2009 Endangerment Finding.

Illustration of a hexagonal satellite with two large solar panels orbiting above a cloudy Earth.
Posted inResearch & Developments

NASA Planning for Unauthorized Shutdown of Carbon Monitoring Satellites

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 5 August 20252 February 2026

Despite warnings that their actions are illegal, Duffy and other senior NASA officials have continued to secretly direct NASA employees to draw up plans to end at least two major satellites missions specifically designed to monitor global carbon dioxide.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

A Long-Term Look Beneath an Antarctic Ice Shelf

6 March 20266 March 2026
Editors' Highlights

Tropopause Temperature Drives Tropical Cyclone Simulation Diversity

6 March 20266 March 2026
Editors' Vox

Editorial Handover at Perspectives of Earth and Space Scientists

6 March 20266 March 2026
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