As a prolonged drought grips the southwestern U.S., the water levels of Lake Powell -- the second largest reservoir in the U.S. -- continue to recede. (30 minutes)
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Sat, 6/14 at 11:30 am on Austin PBS HDTV
The Mississippi, the largest river in North America, presents a challenge for the Army Corps of Engineers around New Orleans. (30 minutes)
Sat, 6/21 at 11:30 am on Austin PBS HDTV
Islands and waters of Mexico's northern Gulf of California provide refuge for sea creatures reliant on fish stocks and beset with the uncertainties of climate change. (30 minutes)