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Returns on Divestments?

I believe we’re at a point where renewables are going to continue becoming more affordable while fossil fuels continue to get more expensive, and more risky.

Toward a Supply Constrained World

In this installment we discuss the potential role of renewable energy in transition and macroeconomic models in the face of supply constraints.

Does Peak Oil Matter?

Chris Nelder discusses the story of peak oil and whether it has any validity.

Saudi America and a Nuclear Future?

We spoke with Chris Nelder in Extraenvironmentalist episde #76. This is the first part of a transcript prepared by EE listener Scott.

The Perils of Electricity Capacity Markets

The high capital cost and zero fuel cost of renewable projects forces the risk of ownership onto investors, while the near-zero capital cost and high fuel cost of older fossil fuel plants pushes risk onto consumers.

Why Is a Solar Panel in New Jersey 15 Times More Valuable Than One in Arizona?

Where renewables do the most good isn’t necessarily where they are the most productive.

Wind to Double and Solar to Triple in 6 Years, Says IEA

Renewables will surpass natural gas for electricity generation globally by 2016, doubling nuclear output and coming in second only to coal in power generation.

Watts Up, Vaclav? Putting Peak Oil and the Renewables Transition in Context

Smil's mantra is this: "All of the past shifts to new sources of primary energy have been gradual, prolonged affairs, with new sources taking decades from the beginning of production to become more than insignificant contributors, and then another two to three decades before capturing a quarter or a third of their respective markets."

Microgrids: A Utility’s Best Friend or Worst Enemy?

A recent data roundup by renewable energy industry analyst Paul Gipe shows that variable renewables are meeting much larger percentages of grid power than previously thought possible in some European countries.

Conventional Wisdom About Clean Energy Is Still Way Out of Date

“We’re fifteen to twenty years out of date in how we think about renewables,” said Dr. Eric Martinot to an audience at the first Pathways to 100% Renewables Conference held April 16 in San Francisco. “It’s not 1990 anymore.”
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