Wastewater flushed down the drain can be used to heat and cool homes and buildings in a sustainable way and climate experts say it's an untapped source of energy due to its stable temperature of approximately 70°F.

Seven years ago, New Orleans officials began installing adjustable barriers at intersections in the famed French Quarter to temporarily prevent vehicles from entering the tourist area where the narrow streets are typically teeming with pedestrians every night of the week.

After six days of looking for them, Coast Guard suspended its active search Thursday evening. The two met at fire school in Indian River County, Miller said. According to the Coast Guard, the search covered 146,000 square miles, an area the size of the state of Montana. He said Coast Guard resources are still in the water and the air on patrol, ready to react if anything develops. RELATED: Coast Guard suspends search for missing firefighters | Missing firefighter is also a talented dancer | Financial reward offered for return of firefighters lost at seaRon Kuley, president of the Fairfax County Professional Firefighters, spent the week working alongside his local counterparts, like Jacksonville Association of Firefighters President Randy Wyse.