Tag Archives: climate change

How Far Can Renewables Go? Pretty Darn Far

This is part 4 of a series looking at the economic trends of new energy technologies. Part 1 looked at how cheap solar can get (very cheap indeed). Part 2 looked at the declining cost and rising reliability of wind … Continue reading

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How to Think About the Paris Climate Deal

Over the weekend, the world agreed to a new climate deal. Brad Plumer explains it well. Reactions range from celebration to dismissal of it as a fraud. It’s rare to see James Hansen (a tireless campaigner for addressing climate change) and … Continue reading

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How Cheap Can Energy Storage Get? Pretty Darn Cheap

This is part 3 of a series looking at the economic trends of new energy technologies. Part 1 looked at how cheap solar can get (very cheap indeed). Part 2 looked at the declining cost and rising reliability of wind … Continue reading

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How Steady Can Wind Power Blow?

This is part 2 of a series looking at the economic trends of new energy technologies. Part 1 looked at how cheap solar can get (very cheap indeed). Part 3 looks at how cheap energy storage can get (pretty darn … Continue reading

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Citizens Led on Gay Marriage and Pot. We Can on Climate Change Too.

A decade ago, it was nearly inconceivable that in 2015, gay marriage would be legal across the US and marijuana fully legal in four states plus the District of Columbia. Yet it happened. It happened because citizens who wanted change … Continue reading

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Solar Cost Less than Half of What EIA Projected

Skeptics of renewables sometimes cite data from EIA (The US Department of Energy’s Energy Information Administration) or from the IEA (the OECD’s International Energy Agency). The IEA has a long history of underestimating solar and wind that I think is starting … Continue reading

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Solar: The First 1% Was the Hardest

Solar power now provides roughly 1% of the world’s electricity. It took 40 years to reach that milestone. But, as they say in tech, the first 1% is the hardest. You can see why in this chart below. As solar … Continue reading

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How Much Land Would it Take to Power the US via Solar?

I’ve seen some pieces in the media lately questioning this, so allow me to point to some facts based on real-world data. tl;dr: We’ll probably never power the world entirely on solar, but if we did, it would take a … Continue reading

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2014 Was a Good Year: Better Than You Remember

Eric Garner. Michael Brown. The Sony hack and surrender to fear. 2014 seems to be ending on a crappy note. My twitter feed is full of people expressing good riddance to the year. 2014 was better than that. I want … Continue reading

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The Learning Curve for Energy Storage

Energy storage prices are dropping fast. If you follow me, you’ve seen me write about this before. Energy storage prices have in fact been dropping exponentially for at least 25 years. Here’s a new piece of analysis –  a model … Continue reading

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