Montana Legacy, Tree Rings, Perennial Grain Crops
series: This American Land
air date: 6/22/13 4:00 PM
Facing spreading development, how can wildlife habitat be saved in Montana? In Kansas, researchers develop revolutionary ideas for growing perennial food crops that slow the degradation of cropland and offer greater food security in the face of ever-harsher climates. Is the Colorado National Monument the right place for a Tour de France style bike race? Counting tree rings, scientists solve history's mysteries and predict our future. Just a few minutes from downtown Washington, D.C., a wildlife preserve is an oasis for hikers, bird watchers and anyone who needs a natural retreat.
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