Sorry, this video is not currently available.

Yosemite - Seeds of the Future | Web Exclusive

Concern for the future of giant sequoias has prompted a seed collection program. Researcher Dave Katz and his team from the Cornell Tree Climbing Institute venture high up in the canopy to collect seed cones for the L.A. Moran Reforestation Center, a seed bank that houses millions of seeds from conifers across California.