South Florida Sun-Sentinel: Across the country and in Florida, Americans are only using as much water as almost 45 years ago, even though the population has grown by more than 100 million people, the U.S. Geological Survey reported this week. Environmentalists point to efficient toilets, low-flow showers and limits on lawn sprinkling, saying water conservation is the way to go. "We have hardly scratched the surface of what can be achieved by really effective efforts toward water conservation," Audubon Florida's Charles Lee...