Bird Shit, Not George W. Bush Pollutes Arctic

Turns out that environmentalists were wrong again. It's not humans who are contaminating the arctic. It's birds.

"If you fly overhead you can see green mosses growing under the cliffs," Blais said. "What is particularly striking is that these contaminants are getting concentrated at oases of biological productivity in the north."

A concentrated oasis of biological productivity is another word for "bird colony."