'Former U.S. Senator Gaylord Nelson founded this annual observance devoted to the environment'
Earth Day
LET'S CELEBRATE!: Former U.S. Senator Gaylord Nelson founded this annual observance devoted to the environment
Former U.S. Senator Gaylord Nelson founded this annual observance devoted to the environment
Former U.S. Senator Gaylord Nelson founded this annual observance devoted to the environment
LET'S CELEBRATE!
Earth Day
LET'S CELEBRATE!