The US, China, and dozens of other countries are meeting today in Egypt to chart the course of a new international agency aimed at promoting renewable energy.
The Energy Department made the announcement Tuesday, just as Nissan said it will start selling an all-electric car in the US next year.
The space station, now fully staffed, demands diplomats, not jet jockeys.
The US deployed antimissile defense systems in response to reports that North Korea could launch a long-range missile toward the island early next month.
The space shuttle Endeavour won't launch until July, as NASA engineers try to fix a persistent leak in its external tank.