Sam Eaton reports on how agricultural runoff in the Mississippi River continues to flow into the Gulf of Mexico, suffocating sea life and threatening a once-thriving Louisiana industry. <nobr><em>First of two parts.</em></nobr>
Every time you get in the car you're spewing a teeny bit of pollution into the atmosphere. But some ordinary people have come up with an innovative system to help neutralize our polluting ways. Sam Eaton explains.
President Bush today created the country's largest national monument in the oceans off the Hawaiian islands. The marine preserve is 1,400 miles long and home to some 7,000 species, many of which can't be found elsewhere. Sam Eaton reports.