Live earth concerts underway.

Watch them here. MSNBC and affiliated NBC networks are providing coverage throughout the day. Climate Progress is live-blogging the New York concert.

UPDATE: The concerts are barely underway, but the National Review’s Mark Steyn has already declared the event a failure. “The way this thing’s going it looks like, thanks to Al Gore, all-star charity galas will be joining the polar bears on his endangered species list.”

UPDATE II: Michelle Malkin offers her insights on the concerts: “Who are these people and what on earth are they doing?”