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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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Unprecedented: Pennsylvania’s RGGI Repeal

Expert BlogPennsylvaniaRobert Routh

What does this action mean for the state's climate policy, especially given the governor's recent package of energy bills and rising electricity prices across the region?

The Third-Hottest Summer Yet Just Got a Little Safer

Expert BlogLos Angeles, California, New York CityIsabel Friedman

California’s state legislature, the County of Los Angeles Board of Supervisors, and New York City Council pass lifesaving cooling bills.

Water Affordability: 2024 Year in Review

Expert BlogUnited States, Michigan, PhiladelphiaLarry Levine, Cyndi Roper

Major developments lay the groundwork for future success, but battles also loom

PJM’s Capacity Auction: The Real Story

Expert BlogPennsylvaniaClaire Lang-Ree, Tom Rutigliano

Fossil fuel un-reliability and PJM’s failure to speedily connect new clean resources to the grid are to blame for the 2025/26 auction price spike.