Because of lower water-tables and depleted aquifers, many rivers can no longer replenish themselves in the dry season.
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Aside from new varieties that have lower water requirements, pest- and disease-resistant gene-spliced crop varieties also make water use more efficient indirectly.
These new varieties grow with smaller amounts of water or with lower-quality water, such as recycled water or water high in natural mineral salts.
This will significantly lower the water levels in Horsbere Brook, which burst its banks four years ago.
BBC: Longlevens and Elmbridge flood-prevention work finished
Any attempt to lower the water level behind the dams would cut the amount of water available for both manufacturers and farmers.
The BBC's Matthew Price says the ship sank lower in the water during the course of the day.
Water coming up from below will often have a lower pH than the surface water, because at depth there is no photosynthesis but plenty of respiration.
It also has a lower tendency to absorb water from the atmosphere.
The idea of using a liquid with a lower boiling point than water to drive a turbine is nothing new it has simply not proved worthwhile in the past.
ECONOMIST: Geologists are getting more juice out of the ground
The backwater levee is designed to keep water from backing into the Yazoo River delta and is designed lower than the mainline levee so that water can flow over it.
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"We think something on the line of 3 inches over six hours would probably put 2 to 4 feet of water in the lower-lying sections of the city, " said Lt.
While the need for fresh, clean water creates enormous challenges, it also creates opportunities to develop and implement new technologies that can improve the efficacy and lower the cost of treating water.
Pipes have now been put in place in Lake Nyos and nearby Lake Monoun to siphon water from the lower layers up to the surface and allow the CO2 at the bottom of the lake to slowly bubble out, preventing a repeat of 1986 tragedy.
Kentucky is said to have more miles of navigable water than any other state in the lower 48, so there is certainly no shortage of adventure opportunities for water enthusiasts.
The solar water heater would automatically lower the overall energy bills by around 20%.
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Unlike most of lower Manhattan, we had running water, even if cold as the brook down from the house.
To make matters worse, once the streets finally dried out, Hurricane Rita sent more water in to the Lower 9th.
"We would like to apologise to our customers in the Machynlleth area, Powys, who may have experienced problems with their water supply, or lower pressure, this morning, " said a spokeswoman.
The basic idea behind the Littoral Combat Ship is to build a fast and survivable warship that can operate at much lower costs in the shallow-water areas near enemy coastlines where frigates traditionally have been used.
"A lot people - even though the numbers here are lower - are going across the water to universities in England or Scotland and getting their qualifications and coming home and there are simply no jobs for them, " Ms Allen said.
Water experts applaud the new policy, saying it puts a proper emphasis on conservation: lower-basin states must now pay attention to the water they have, instead of plotting to get still more from the upper-basin states.
ECONOMIST: Water in the West: Buying a gulp of the Colorado | The
Amaker then got himself into hot water by recruiting players with lower academic profiles than his predecessor had recruited.
Using less electricity, using less oil or using less water helps keep operating costs lower which allows Wal-Mart to keep prices down.
FORBES: Has Wal-Mart Has Lost Touch With Its Populist Roots?
Brazil, with its abundant land and water, higher yields and lower costs than India, was a logical choice, according to strategy head Watve.
Lower home prices will send more mortgages under water and force many more homes into foreclosure.
Lower the heat to medium and add enough water to cover the meat.
As Robbins, 44, and his 15-man crew approach the school--identified earlier by spotter plane--they lower two 40-foot boats into the water.
Well, the magical moisture-absorbing material may get even better, as the plan is to increase the amount of water the material can hold and lower the temperature threshold for its release.
Don Menard, the parish's president, said Sunday afternoon that water levels in Krotz Springs appear lower than expected -- though he said he thought they'd rise considerably after midnight, and especially if and when more floodgates are opened.
The accusations state they have expert witness testimony and the suit involves 10 beers including Budweiser and Michelob, claiming consumers have been cheated out of the alcohol content stated on the labels because A-B InBev added additional water to produce beers with significantly lower alcohol contents.
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