Many high-performing, water-saving fixtures and appliances are designed like straws, supplying only enough water to satisfy ...

Heat pumps are 3 to 5 times more efficient than gas, fueled-heating systems and electric resistance heating and so can lower ...

Water polo was initially a dangerous sport that first developed in the rivers and lakes of mid-19th century England as an aquatic version of rugby. In 1870, the London Swimming Association developed ...