Florida Will Battle Coastal Pollution by Eliminating Old Septic Tanks

Florida's got a big nutrient loading problem in its rivers and estuaries. Too much phosphorous and nitrogen can trigger algae blooms that choke the oxygen right out the water and cause incalculable damage to riverine ecosystems.

This problem is not news, really. It's happening in waterways all over the United States. Why? Agricultural runoff and sewage top the list of culprits.  Read more.