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The Opportunity for Agricultural Residues and Manure to Fuel a Sustainable Future

Not all ethanol is created equal. The benefits, or consequences, of this ubiquitous ‘home-grown’ fuel that is blended in nearly every gallon of gasoline sold across the country vary depending on how it is produced and what it is produced from. As my colleague and uber biofuels-wonk Dr. Jeremy Martin has explained, ethanol produced from food, like corn or soybean, does little to reduce the carbon intensity of our transportation fuel and, in some cases, can actually be responsible for more greenhouse gas emissions on a lifecycle basis compared to gasoline. Read More

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Brilliance from Sea to Shining Sea: Which States are the Clean Energy Superstars?

A great new report from the smart folks at CleanEdge looks in depth at which states are leading the clean energy charge in the United States. And, given the many ways to look at, the list of clean energy superstars is long. Here are eight slices from their analysis. Read More

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Fracking, Chemicals, and Our Health: EPA Considers a Hydraulic Fracturing Chemical Disclosure Rule

What’s in the water? What are the chemicals being used? Will they harm me? Or my family? Or my animals? What kind of impacts will my environment experience? These questions have been asked by countless communities since hydraulic fracturing first expanded across the country a few years ago. And during this time period, these questions have often gone unanswered because of a lack of laws to address them. But right now, the EPA has the opportunity to provide some answers. Read More

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New Jersey, Come Back! An Open Letter to Governor Christie on RGGI

Dear Governor Christie:

I read today that you plan on formally pulling your state out of the Regional Greenhouse Gas Initiative (RGGI), the nine state “cap and trade” program that cuts carbon dioxide emissions from power plants. Read More

Categories: Energy, Fossil Fuels, Global Warming  

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Cape Wind Gets a Big Boost: Clean Offshore Wind Power on the Way

My favorite offshore wind project, Cape Wind, just cleared a major hurdle today, landing a $150 million loan guarantee from the Department of Energy. This is a project that should capture your imagination; for me, it is a symbol of our national commitment to clean energy. Read More

Categories: Energy, Fossil Fuels, Global Warming  

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Behind the Curtain, Grid Operators Reveal Path to Reduce Carbon

The electric grid contains many mysteries, and we will have to master many of these to reduce carbon emissions. Fortunately, the independent grid operators are increasingly pulling back the curtain on renewable energy and coal plant retirements. And the view is great! Read More

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Basking in the Rays of the Summer Solstice, California Positioned to Break Solar Generation Record

Since we are approaching the summer solstice (June 21), the longest day of the year and the official start of summer, I thought it was a good time to look at how longer days and more sunshine are translating into more clean electricity. The bottom line: solar is starting to pull its weight on the grid. Read More

Categories: Energy  

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It’s Electric! The Science of Cleaner Vehicles

Guest Bogger

James Nolan, Associate Professor
Department of Biology, Georgia Gwinnett College

Lawrenceville, GA

I’m a biochemist by training, but my family’s leap into Electric Vehicle (EV) driving was not entirely a reasoned scientific choice, initially. We have always been energy-conscious, even before climate change was on our radar. We have always tried to live near our workplaces to save fuel and time. When hybrid vehicles came on the market, we did not seriously consider buying one, because it did not make economic sense for us; our savings on fuel would never match the difference in up-front price of a hybrid at that time.  The BP oil spill on April 20, 2010 changed the equation for us. Read More

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New EPA Power Plant Rule Shows How Gina McCarthy Is Like Thomas Jefferson at the Dawn of America

Gina McCarthy, current U.S. EPA Administrator, released historic words this week in a long draft document about national power plant goals. How do they compare to the goals penned by Thomas Jefferson in a much shorter draft document, the Declaration of Independence? Let’s crunch some numbers to find out.  Read More

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EPA Carbon Standard Opens the Door for Renewables, Now States Must Take Them over the Threshold

This week the EPA released its draft power plant carbon standard, and renewable energy was included as one of the technologies that states can use for reducing CO2 emissions. That’s terrific news for wind, solar, and other renewable energy technologies, which are already demonstrating they’re capable of ramping up in a big way. But in order to keep the U.S. moving toward a truly low-carbon economy, states must seize the opportunity and make renewables a cornerstone of their compliance plans. Read More

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