The Water Standard will require firms to measure water use and demonstrate efforts taken to reduce consumption.
For example, almost every manufacturer has targets for carbon footprint, waste reduction, water use, etc.
It turns out that frackers are also looking to propane to reduce water use.
Water use is forecast to increase in developing nations by 50% by 2025 and by 18% in developed nations.
Plant biologists have identified genes that regulate water use and transferred them into important crop plants.
Worrell's Living Machines are water recycling systems that drastically reduce water use and can eliminate sewer discharge.
So the connection is clear: cut down on water use and you cut down on energy use.
And that extra effort shows up in higher energy consumption and higher water use and higher emissions.
Economic and social changes have obvious consequences for water use and the demands placed on the resource.
International agreement on water use will have to come, either by treaty or through a regional body.
So even if there is not a significant cost penalty for water use, there is a very significant business risk.
"People can reduce their water consumption, be more wise when it comes to water use, " said Al Madfaei.
Taken at face value, all this adds up to a pretty good case for regulating water use directly.
In the United States, one of the worst offenders, water use has actually fallen steadily for 20 years.
California's water bureaucrats figure homeowners could save 3 million acre-feet a year by being smarter about home water use.
Some gas companies are responding to this threat to production by innovating ways to frack with less water use.
These water uses account for some 70 percent of southern Nevada's water use.
While the biggest user is power generation, with 49% of all water use.
Then it came up with the engineering to cut water use by 80%.
Reduce water use on a per chip basis below 2010 levels by 2020.
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For example, water use for energy can be expected to rise throughout the region in line with economic growth.
The group also said food waste also impacts land, energy and water use.
The development of biofertilization techniques would also increase water use efficiency by promoting higher nutrient absorption and crop growth rates.
The law came into effect on January 1, after a three-year campaign to reduce waste and encourage tap water use.
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"They need to be able to show us that on a year-on-year basis they are reducing their water use, " he told BBC News.
Ideally, efficient water use would be encouraged by charging for it, but attempts to do so have mostly proved politically impossible.
What WaterSmart provides is a report that shows each household its water use and how it stacks up against its neighbors.
While the earth's occupancy has doubled in the past 100 years, overall water use has quintupled--largely due to the demands of manufacturing.
On average, what is the approximate daily water use of each household?
Aside from new varieties that have lower water requirements, pest- and disease-resistant gene-spliced crop varieties also make water use more efficient indirectly.
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