04/23/1997
https://www.presidency.ucsb.edu...
"Our national parks are classrooms and laboratories, windows on our past and doorways to our future."
"I want to especially welcome all the young children and not-so-young children... to this wonderful American celebration of Earth Day."
"We have made this commitment to our future, and I'd like to see us get it done."
"We want these children to have ambition."