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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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Cities Are Leading the Way: 2020 Wins & Look Ahead

Expert BlogUnited States, Charlotte, Honolulu, Pittsburgh, St. LouisJay Orfield, Kimi Narita
Cities made tremendous progress in their climate challenge goals throughout a difficult 2020. Now, cities are eyeing all that is possible in the new year.

Key Takeaways from PA's New RGGI Analysis

Expert BlogPennsylvaniaMark Szybist

New power sector modeling from the Pennsylvania Department of Environmental Protection (DEP) shows that by joining the Regional Greenhouse Gas Initiative (RGGI), Pennsylvania can slash power sector carbon pollution while generating hundreds of millions of dollars every year for job-creating…

American Cities Climate Challenge PACE Roundtable in NYC

Expert BlogGeorgia, Atlanta, Ohio, Columbus, Pennsylvania, Pittsburgh, Texas, San AntonioPhilip Smith

Riding a strong tailwind from recent climate and sustainability legislative successes, earlier this month, the Bloomberg American Cities Climate Challenge brought its PACE (Property Assessed Clean Energy) Financing Cohort to New York for an intensive, dialogue-driven Roundtable with the four…

Pennsylvania's Gas Power Problem, Part 1: The Build-Out

Expert BlogUnited States, PennsylvaniaMark Szybist
For most of the last decade, the biggest energy story in Pennsylvania has been fracking—the use of hydraulic fracturing and horizontal drilling to extract shale gas—and the dramatic increase in gas production that fracking has driven.