June 2008

Over at ScienceBlogs, Paul Revere has written a three part primer (one, two, three) about the physics of climate change. It begins with the nature of electromagnetism and moves on to discuss the energy relationship between the Earth, the sun, and outer space. It is the sort of thing that feels very basic, but which [...]

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For three Saturdays in August, New York City will be making six miles worth of city streets exclusively the domain of bikes and pedestrians. It’s an impressive undertaking, and a good method for making people think twice about their assumption that streets exist for the sake of drivers. For a long time, city dwellers have [...]

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The most common position among climate change analysts is that we need to stabilize the atmospheric concentration of carbon dioxide somewhere between 450 and 550 parts per million (ppm). That is, for instance, the target range endorsed by Nicholas Stern. It is also thought by many to be compatible with the EU goal of generating [...]

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In the spirit of summary, I have assembled many of my best photos onto a single page. They can also be viewed as a slideshow.
My photos are covered by a Creative Commons License.

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There is an interesting debate ongoing on the Gristmill blog about whether the future of electrical generation lies primarily with big centralized power plants, like today, or with distributed systems.
Naturally, there are many factors that influence which is more attractive, many of which are regulatory rather than inherent to the physics or economics. I suspect [...]

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