Skeptical Science has an iPhone app that allows you to browse common critiques of climate science and arguments against climate change, and read expert responses. Perfect for both the curious, and the argumentative-on-the-go.(Thanks to Steve Easterbrook for the tip!)
Maggie Koerth-Baker is the science editor at BoingBoing.net. She writes a monthly column for The New York Times Magazine and is the author of Before the Lights Go Out, a book about electricity, infrastructure, and the future of energy. You can find Maggie on Twitter and Facebook.