Sunday is Earth Day, observed every year since 1970.
Earth Day organizers have called on people worldwide to pledge "one billion acts of green." Those pledges range from residents turning off lights in their homes,...
Japan Pledges $7.4 Billion in Aid to Mekong Region
Japan has pledged $7.4 billion in development aid to five Southeast Asia nations in an effort to promote cooperation with countries in the Mekong region.
