While Principles Micro had their test last night, I perused the Summer 2010 issue of PERC Reports. Some great articles, including

"Bootleggers, Baptists, and Global Warming" in Retrospect by Bruce Yandle

"Recycling Redux" by Daniel Benjamin

and a book review "The Case Against the Hockey Stick" by Matt Ridley

It was refreshing reading those after being nauseated by the amount of talk on "sustainability" (i.e. save the environment, ignore the costs) while over in Germany a few weeks ago.