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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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Latest Energy Posts

What is the Learning Curve—and What Does it Mean for Solar Power and for Electric Vehicles?

, Kendall Science Fellow

The “learning curve” is the biggest story in solar power. But what does it mean? And how does it work? Read more >

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Photo: Mark Jurrens (Wikimedia)
Photo: Mark Jurrens (Wikimedia)

Which States are the Most Energy-Efficient? A “Dramatic Photo Finish,” and a Tie for Top Honors

, senior energy analyst, Clean Energy

Some people get excited about fall because of the beautiful foliage, the delightful blend of sunny days and crisp cool nights, and the bountiful harvests of apples and other tasty treats. I love all that, too. But I also enjoy this time of year because it brings the annual assessment of how states are doing on energy efficiency. And this year was more of a nail-biter than most.

Whoever’s on top, though, it’s clear that when states make progress on energy efficiency, we all win. Read more >

Photo: Mark Jurrens (Wikimedia)
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The Clean Power Plan Goes to Court: A Crucial Moment in Our Fight against Climate Change

, lead economist and climate policy manager

History won’t look back kindly on those who are standing in the way of progress. It’s clear that clean energy is already delivering economic and public health benefits and the need to act on climate is urgent. Read more >

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Building on Success: Governor Signs UCS-Sponsored Water-Energy Bill

, climate scientist

Over the weekend, California Governor Brown signed a bill authored by Senator Fran Pavley and sponsored by the Union of Concerned Scientists (UCS), creating a voluntary Water-Energy Nexus Registry. The Climate Registry provides this guest blog, explaining how the bill builds on The Climate Registry’s efforts to develop consistent benchmarks to track the relationship among water, energy, and greenhouse gases. This type of information is needed for the water sector to become part of the climate solution, according to a recent UCS report: Clean Energy Opportunities in California’s Water Sector. Read more >

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Delivering on the Paris Climate Agreement: The Oxford 1.5 Degrees Conference Charts a Path

, lead economist and climate policy manager

This week I am heading to Oxford to attend a conference, 1.5 Degrees: Meeting the challenges of the Paris Agreement. This comes close on the heels of the recent ratification of the Paris Agreement by the US, China and Brazil. Clearly, the next phase of work focused on fulfilling the promise of Paris is in full swing, and I am excited to be part of it. Read more >

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