Tune in to Green! So invites Google and Yahoo today, Earth Day.
What is Earth Day? According to the U.S. government:
A time to celebrate gains we have made and create new visions to accelerate environmental progress. Earth Day is a time to unite around new actions. Earth Day and every day is a time to act to protect our planet.
According to U.S. president George Bush: "On the anniversary of the first Earth Day in 1970, the federal government is cleaning the air, promoting land conservation, and improving water quality."