Federal regulators are preparing to launch "a very serious look" at requiring corporations to assess and reveal the effects of climate change on their financial health, according to a commissioner on the Securities and Exchange Commission. Initial efforts are under way, moving the commission toward a conclusion that investment groups had sought unsuccessfully throughout much of the Bush administration: forcing public companies to report the dangers they face from releasing carbon dioxide and its warming aftermath. Go to story #1

WARREN, Mich. -- When you hit the POWER button of a Chevrolet Volt, nothing seems to happen. Then you push the shifter to D. There is no sound. Push down hard on the accelerator and the car takes off, pressing you firmly back into the seat. The Volt can hit 60 miles per hour in about 8.5 seconds. The driver feels no gearshift points because in an electric car there aren't any. Go to story #2