Between discussions of global climate change, and the ever-rising cost of energy, people are starting to take a long, hard look at the costs of lighting — both financial, and ecological. Listen in to this episode, and I’ll attempt to (ahem…) enlighten you on the history and potential future of this technology.

If you’re not subscribed to the podcast, you can listen to the episode (28:32) via an inline player (Flash required) here:

You can also directly download the episode using this link (26.1 MBytes). For links to sources, as well as for those who’d just like to follow along, the episode’s show notes are here….

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