21.   China is in the midst of what some experts call an environmental crisis, with major water sources and air quality being degraded at alarming rates.

22.   Conservation Commission Chairman Barry McBee said that development in the Austin area and elsewhere indicates that the new rules will prevent pollution of the water source.

23.   Daddy had decided it was time for an alternate water source for the sprinklers.

24.   Contamination of water sources and food would never lead to widespread epidemics in developed countries.

25.   Dry hydrants are nonpressurized pipes that are permanently installed at water sources such as lakes, ponds, water storage tanks and irrigation wells.

26.   During three Nasca area field trips, Mabee has found strong evidence that alternative water sources exist, often just where Johnson said they were.

27.   Eliminating potential water sources is a greater challenge.

28.   Every drop pumped by his plant is sucked directly from the adjacent Chattahoochee River, the principal water source for a region without underground aquifers from which to draw.

29.   For Barak, this would not only represent a symbolic victory but would also provide further protection for the important water source.

30.   For international markets, water created can help people who live in Third World countries, where water sources are either scarce or impure.