By Thursday, the second day of a three-day summit, several firms had stepped forward with pledges at the Clinton Global Initiative on a variety of pressing issues ranging from refugee aid to education to climate change efforts.
In the environmental arena, Florida Power and Light said it would spend 2.
4 billion dollars over five years to build solar-energy plants in Florida and launch a public information campaign on renewable energy.
The company also said it would reduce carbon-dioxide emissions, a main cause of global warming, by more than two million tons in the same period.
Wal-Mart, the world's biggest retailer, said it would sell only concentrated detergents in the liquid-laundry detergent category, beginning in May 2008, in its US stores.
The firm estimated the switch would save more than 400 million gallons of water, more than 95 million pounds of plastic resin and more than 125 million tons of cardboard.
Soft drinks giant Coca-Cola unveiled a plan for its operations