This installment of the History Channel's "Modern Marvels" series explores the growing effect of environmental awareness on scientific discovery, with carbon sequestration, bioremediation and other "green" technologies taking center stage. No longer considered experimental, these revolutionary new ideas are increasingly viewed as viable options for solving scores of the world's most pressing problems.

n this eye opening program, Modern Marvels examines how some of the world's best minds are using today's most innovative technologies to help preserve and protect the planet. Learn how tongue-twisting technologies such as carbon sequestration and bioremediation have taken on the most daunting environmental crises, including global warming, deforestation, nuclear waste, and resource scarcity. Discover how scientists have begun converting blue-green algae into automotive biofuel and decomposing garbage supplies into clean burning natural gas. Finally, find out how trees and other natural environments are now being used as engineering tools to control flooding and rejuvenate dying rivers.