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A woman shopping for frozen fruit in a Walmart store in Coquitlam, Canada.

Not Cool: How the EPA’s Refrigerant Rollback Will Raise Your Grocery and AC Costs

Expert BlogUnited StatesDavid Doniger, Dr. Richie Kaur, Jeremy Arling
NRDC and industry are suing over cost-raising delays in moving away from HFC super pollutants in supermarkets and cold storage warehouses.
A protester holds up a sign at a Stand up For Science rally held at Washington Square Park in Manhattan, New York City, on March 7, 2025.

Political Control of Research Funding Threatens Sound Science

Expert BlogUnited States
Decades of federal research funding have led to breakthroughs in medicine, technology, and environmental science. A new OMB proposal aims to derail all of this through political interference.
Brad Smith, president of Microsoft Corporation, speaks during a climate initiative event at the Microsoft Corp. campus in Redmond, Washington, on January 16, 2020. Microsoft unveiled plans to invest $1 billion to back companies and organizations working on technologies to remove or reduce carbon from the earth's atmosphere, saying efforts to merely emit less carbon aren't enough to prevent catastrophic climate change.

The Carbon Removal Market Can Work—If We Build It Right

Expert BlogUnited StatesSam F. Savitz, Dr. Jennifer DiStefano
The CDR industry’s reliance on Microsoft shows the limits of voluntary climate action—and the need for government to do its part. It’s time to take the trash out of our atmosphere.
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Risky Realities—Recognizing the Harms of Global LNG Expansion

Expert BlogInternational, United States, Africa, MexicoJamie Lee, Mima Holt

Liquefied natural gas should be phased out in tandem with other fossil fuels, paving the way for renewable energy to meet international climate and sustainable development goals.

RGGI States Learning and Sharing On Climate and Equity

Expert BlogEast, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, VirginiaJackson Morris

A new report finds that the Regional Greenhouse Gas Initiative delivers on jobs, emissions reduction, and economic benefits—and provides a framework to address equity in the future.

Beyond Pledges: Solidifying Climate Action in Latin America

Expert BlogBrazil, Mexico, Colombia, International

Climate change and associated extreme events are amplifying factors in migration and displacement while exacerbating social, economic, and environmental burdens. Latin America is among the regions with the greatest documented need for the strengthening of early warning systems.

US Energy Secretary Must Raise Climate Concerns with Mexico

Expert BlogMexico, United StatesCarolina Herrera
It's critical for Secretary Granholm to emphasize the importance of climate change for the U.S. and urge her Mexican counterparts to work toward a just energy transition based on sustainable renewable sources.

Clean Truck Rules Will Benefit Southern New England

Expert BlogMassachusetts, Connecticut, Rhode IslandKathy Harris, Patricio Portillo

The states of Massachusetts, Connecticut, and Rhode Island stand to see $12.7 billion dollars in net societal benefits, improved health and air quality, and increased investments over the next 30 years through adoption of Clean Truck Programs in their states.

US Climate Finance Plan Restricts Fossil Fuel Finance

Expert BlogUnited States, BrazilJake Schmidt, Han Chen
This is a clear signal the United States will move away from financing coal, oil and gas projects overseas. Now is the time to make sure the details deliver on that necessary drive to urgently shift public financing from dirty…

Latin America at the Leaders Summit on Climate

Expert BlogArgentina, Brazil, Colombia, Chile, MexicoCarolina Herrera, Jessica Carey-Webb, Amanda Maxwell
The five Latin American countries that participated in the Leaders Summit on Climate – Argentina, Brazil, Chile, Colombia, and Mexico – displayed a broad range of ambition. Once again, some countries demonstrated their willingness to be climate action leaders while…

Brazil LNG Expansion Undermines Decarbonization

Expert BlogBrazil, United StatesHan Chen, Jessica Carey-Webb
Beyond jeopardizing the energy transition and crowding out renewable energy development in Brazil, the recent introduction of LNG in the Brazilian energy mix will create unnecessary technological lock-in. The U.S. should both discourage these developments and support the deployment of…

Holding Mexico Accountable for Vaquita Extinction

Expert BlogMexicoZak Smith
Mexico has a choice. It can save the vaquita by enforcing its laws and regulations or it can let the vaquita go extinct. It has already shown that it is inclined to choose extinction. The United States and others, like…