Tag Archives: climate change

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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The Renewable Energy Revolution

Transforming the world’s energy supply will take decades. It is a very tall order. But it’s starting. The price of renewables – and energy storage – continues to plunge, putting them on a path to being cheaper than any other … Continue reading

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Carbon Prices Drive Clean Energy Innovation

I want to point out something I see commonly missed.  Carbon prices accelerate innovation that brings down the price of green energy. So do renewable energy portfolio standards, green energy subsidies, and a whole swath of other climate policies. They do this … Continue reading

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Arctic Sea Ice: Less in November 2013 than Summers Before 2006

(This is a correction of a previous post that stated that there was less Arctic sea ice in December than in any summer before 2007. That post used a PIOMAS anamoly graph, which was not appropriate.)   The Arctic is melting. That's a … Continue reading

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Pieces I’ve Written Around the Web

Over the last few months (and a bit over the past few years) I wrote a number of pieces around the web, primarily on energy, sustainability, genetically modified foods, and economic growth.  I did a poor job of linking to … Continue reading

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