LA Times: Governments must act now to ward off catastrophic climate change or face additional costs of $500 billion per year of delay, according to a report released Tuesday by the International Energy Agency. "Saving the planet cannot wait," said the report by the 28-nation intergovernmental organization. "For every year that passes, the window for action on emissions . . . becomes narrower, and the costs of transforming the energy sector increase." Officials from around the globe will …