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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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Break Up with Your Gas Utility

Expert BlogUnited States, California, ColombiaKiki Velez

The hundreds of millions of dollars that gas utilities plan to spend to replace gas pipelines could instead go toward helping customers transition to clean energy—all while cutting bills.

Equitable Building Decarbonization Across the Country: 2022

Expert BlogCalifornia, Florida, Hawaii, Illinois, Maryland, Massachusetts, Michigan, New York, OregonCaroline Keicher, Joe O'Brien-Applegate
Policies and programs aimed at new construction and existing buildings continue to gain traction as communities and elected officials realize the feasibility and benefits of ambitious and equity-centered action.

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.

Honolulu Benchmarking Will Cut Costs, Save Energy and Water

Expert BlogHonolulu, HawaiiElizabeth Stampe, Olivia Walker

Honolulu’s City Council passes a benchmarking and transparency ordinance to help building owners cut costs by tracking their energy and water use, enabling them to save money and resources while reducing emissions.

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…

Honolulu's New Climate Laws Will Save Energy and Money

Expert BlogHonolulu, HawaiiElizabeth Stampe
Honolulu Mayor Kirk Caldwell today signed a long-awaited package of climate legislation that will help reduce carbon emissions and save money for residents and the City.

Latin America’s 2020 Climate Leaders and Laggards

Expert BlogInternational, Chile, Colombia, Costa Rica, Mexico, BrazilAmanda Maxwell, Carolina Herrera, Jessica Carey-Webb
2020 was a turbulent year in Latin America—and a mixed bag on climate action. It will be important for the incoming Biden-Harris administration to put climate change front and center in its engagement with the region.

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.

Honolulu’s New Bus-Only Lane Puts People and Climate First

Expert BlogHonoluluElizabeth Stampe, Amanda Eaken
Honolulu has rolled out the red carpet for public transit with its brand new bus-only lane, the city’s first in 30 years. Now, the most sustainable and safe form of transportation will move people faster and more reliably, too.