Named Time magazine's first hero for the planet, Sylvia Alice Earle is a world-renown oceanographer. She was chief scientist for the U.S. NOAA from 1990-1992. In this biography, author Susan Reichard paints the life and work of Dr. Earle who expanded people's awareness of the importance of conserving our oceans and what we take out of them, demonstrating the interdependence of land and sea.