The Bite:
Gopher it. Install a sun tunnel, a variation on the skylight that's cheaper and easier to put in. Now get burrowing.
09.04.2008
The largest prairie dog colony was discovered in 1900 in TX; it was about 100 miles wide, 250 miles long, and home to an estimated 400 million rodents.

If 10,000 Biters replace a 100-watt overhead hallway light with a sun tunnel, in a year we'll avert the CO2 caused by driving a Prius around the equator 882 times.
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