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The U.S. electricity system is the single largest producer of U.S. carbon emissions. Our experts and analysts weigh in on the opportunities, solutions, and challenges for moving the country toward a cleaner, low-carbon future.


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A Tribute to Kenneth J. Arrow, Nobel Prize Winner and a Giant Among Economic Thinkers

, lead economist and climate policy manager

Earlier this week, Kenneth Arrow, a Nobel prize-winning economist passed away at the age of 95. Dr. Arrow was a prolific thinker, truly a giant among economists. His research spanned areas as diverse as welfare theory, innovation, labor market networks, public health, and risk. Many extensive obituaries to Dr. Arrow have been written in major newspapers. He was also a great champion of ideas and values we hold dear at the Union of Concerned Scientists. Read more >

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Creative Commons/Mulad (Flickr)

Governor Dayton Must Step Up to Protect Energy Consumers

, policy analyst, Clean Energy

Two bills are making their way through the Minnesota legislature that would hack away at the Minnesota Public Utilities Commission’s (MPUC) authority to protect consumers. Given the unnerving level of bipartisan support these bills are receiving in the legislature, it’s time for Governor Dayton to step up and protect consumers, as well as Minnesota’s long legacy of clean energy achievements. Read more >

Creative Commons/Mulad (Flickr)
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Will New Mexico Join the Next Generation of Clean Energy Leaders?

, director of state policy & analysis, Clean Energy

More and more states across the country are redefining what it means to be a clean energy leader by doubling down on their commitments to deploy solar, wind, and other renewable energy sources. Now the New Mexico legislature wants to add their state to the growing list. Recently introduced legislation would increase New Mexico’s successful renewable electricity standard (RES) from its current level of 20 percent by 2020 to 80 percent by 2040. Adopting the measure would capitalize on the state’s tremendous renewable energy resources and deliver substantial economic, health, and environmental benefits to all New Mexicans. Read more >

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Photo: justice.gov

The Man Who Sued the EPA is Now Running It. What Does That Mean for the Environment?

, president

Voting largely along party lines, Congress just confirmed Scott Pruitt as Administrator of the Environmental Protection Agency (EPA)—an attorney who has spent his professional career suing the EPA to stop the agency from performing its fundamental mission of ensuring clean air and water for all Americans. Read more >

Photo: justice.gov
Photo: Gage Skidmore/CC BY-SA (Flickr)
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Installing solar panels in PA
Photo: Public Source

Solar vs Nuclear: The Tale of Two Energy Sources

, senior energy analyst, Climate & Energy Program

Last year’s solar deployment numbers just came in, and they are, in a word, phenomenal. Utilities bought more new solar capacity than they did natural gas capacity: an astounding 22 states added more than 100 MW of solar each.

At the same time, there is grim news about delays in construction and associated cost over-runs  for nuclear plant construction projects in Georgia and South Carolina. Read more >

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