As conglomerate Dubai World delays debt payments, most analysts look for Arab Monetary Fund to step in to avert a crisis in financial markets. That's not likely, though, until Sunday.
At least nine major car companies promise plug-in vehicles by 2013.
Some 580 colleges have vowed to cut their greenhouse-gas impact to zero. Many missed the first deadline.
With prices at $120 a barrel, Americans are facing an oil adjustment.