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carbon emissions

A close-up image shows a hand holding a gas pump that is releasing gas into a white car.
Posted inResearch & Developments

Trump Proposes Weakening Fuel Economy Rules for Vehicles

by Grace van Deelen 3 December 20253 December 2025

At the White House today, President Donald Trump announced his administration would “reset” vehicle fuel economy standards. Trump said the administration plans to revoke tightened standards, also known as Corporate Average Fuel Economy (CAFE) standards, set by President Joe Biden in 2024.

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 20251 December 2025

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.

A banner with leaves and flowers and the text "COP30 BRASIL AMAZONIA BELÉM 2025."
Posted inResearch & Developments

Global Methane Emissions Projected to Fall, According to United Nations Report

by Grace van Deelen 17 November 202517 November 2025

The world has made significant progress on methane mitigation since 2020, though meeting the goals of a major international pledge will require additional action, according to a United Nations Environment Programme (UNEP) report.

An image of Earth from space.
Posted inResearch & Developments

UN Emissions Gap Report: Despite Progress, World Still Far Behind Climate Targets

by Grace van Deelen 4 November 20254 November 2025

Current emissions trajectories are on track to warm the world by as much as 2.8°C (5.04°F) above preindustrial levels by 2100, according to a report released today by the United Nations Environment Programme (UNEP).

A person in a white hat stands in a tropical forest to take carbon measurements.
Posted inNews

REDD+ Results and Realities

by Rebecca Owen 31 October 202531 October 2025

A new study examines the efficacy of REDD+ projects in reducing deforestation and raises questions about the carbon credits the initiative relies on.

Emissions billow from a power plant’s smokestacks in the distance beyond a partially ice-covered river.
Posted inOpinions

A Better Way to Monitor Greenhouse Gases

by Dustin Carroll, Nick Parazoo, Hannah Nesser, Yinon Bar-On and Zoe Pierrat 24 October 202524 October 2025

A unified, global observing system could more effectively monitor progress in reducing emissions and accelerate climate action through improved data and decision support.

A wave rises on the ocean surface, and a cloud floats in a blue sky.
Posted inResearch Spotlights

The Southern Ocean May Be Building Up a Massive Burp

Sarah Derouin, Science Writer by Sarah Derouin 20 October 202520 October 2025

Modeled results suggest that if anthropogenic emissions decrease and the atmosphere cools, heat stored in the Southern Ocean could be released abruptly in a few hundred years, kicking off a temporary warming period.

An aerial view of Lower Manhattan in New York City showing a dense collection of skyscrapers, traffic on streets, and some water surrounding the island
Posted inResearch Spotlights

Satellite Scans Can Estimate Urban Emissions

Sarah Derouin, Science Writer by Sarah Derouin 6 October 20256 October 2025

As more cities strive to meet climate goals, space-based observations may help fill in the gaps on tracking emissions.

epa-building
Posted inResearch & Developments

EPA Proposes That Major Polluters No Longer Report Their Emissions

by Emily Gardner 12 September 202515 September 2025

The EPA proposed today that approximately 8,000 polluting facilities, including oil refineries, power plants, and steel mills, should no longer be required to report their greenhouse gas emissions.

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 202527 August 2025

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.

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