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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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Land-based wind and solar will provide robust competition for hydropower, if the latest Senate version of the Massachusetts energy bill stands.

Massachusetts’s Energy Future is Hot This Week (Senate Vote)

, senior energy analyst, Clean Energy

The Massachusetts omnibus energy bill that has been under development for months is at a critical point in its path toward success: the Massachusetts Senate takes it up tomorrow. And UCS and its supporters have been in the thick of things. Here’s where we stand, and where we think we need to end up, with your help. Read more >

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North American Leaders Commit to Increase Clean Energy and Cut Methane Emissions

, lead economist and climate policy manager

Ahead of the North American Leaders’ Summit in Ottawa tomorrow, the White House has announced that President Obama, Canadian Prime Minister Justin Trudeau and Mexican President Enrique Peña Nieto will jointly commit to generating 50 percent of the continent’s power from clean energy sources by 2025. Mexico will also join Canada and the US in their previously announced goal of reducing methane emissions from the oil and gas sector by 40 to 45 percent below 2012 levels by 2025. Read more >

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The recently constructed Carlsbad Desalination Plant in California provides "drought-proof" water to San Diego but comes with a large energy footprint. Photo: bolvd/CC BY (Wikimedia)

Climate Problem or Solution? California’s Water Sector Is at a Crossroads as Drought Drags On

, climate scientist

Necessity is the mother of invention and California’s ongoing drought is teaching us that water suppliers can be very creative when they need to be. Read more >

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Michigan’s Energy Future Still in Limbo as Legislature Breaks for Summer

, energy analyst

The Michigan legislature failed again to come to agreement on energy policy last week as they broke for summer recess, with proposals waiting for a vote in both the House and the Senate. One thing is clear: both proposals still need a lot of work if they are going to truly move Michigan toward a sustainable, reliable, and affordable electricity supply. Read more >

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Photo: marya/CC BY (Wikimedia)

Diablo Canyon Nuclear Plant to Close in California, Replaced by Renewable Energy and Energy Efficiency

, senior analyst, Clean Energy

Today Pacific Gas and Electric announced that it will close Diablo Canyon, the last remaining nuclear plant in California, when its current operating license expires in 2025. The news itself is big. But in my opinion, even more exciting is PG&E’s pledge to backfill all of that generation with clean energy resources: energy efficiency and renewables. Read more >

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