The Green Enterprise: California Academy of Sciences

Since 1853, the California Academy of Sciences has been considered one of the world's most respected institutions. Now more than 150 years later, it's continuing to lead by example, showcasing how a museum can be environmentally sustainable from the ground up. Correspondent Sumi Das looks at the green innovations inside, including a living roof that helps reduce energy use, a solar energy installation that cuts down on carbon emissions in the atmosphere, and a building management system that manages temperature and humidity throughout the building.