Founded by Citron and Truesdell in 1969 , Earthwatch supports scientific field research by offering volunteers the opportunity to join research teams around the world .
Earthwatch Institute is an international nonprofit organization that brings science to life for people concerned about the Earth 's future .
Founded by Citron and Truesdell in 1969 , organization supports scientific field research by offering volunteers the opportunity to join research teams around the world .
Earthwatch Institute is an international nonprofit organization that brings science to life for people concerned about the Earth 's future .