The article profiles several people who made significant contributions in preservation including David Archambault II, chairman of the Standing Rock Sioux Tribe in North Dakota, Garry Charnock, executive director of RSK Group PLC, and Erick Hochberg, principal investigator of the Coral Reef Airborne Laboratory in Bermuda. Archambault leads the protest against the development of the Dakota Access Pipeline, which would threaten his reservation's access to clean water if it ruptures or leaks. Charnock started an experiment to cut greenhouse emissions in Ashton Hayes, England. Hochberg led his team to capture underwater ecosystems using a super-sensitive camera, which enables them to map the coral reefs and determine how best to protect them.