Policy Briefs synthesize existing research knowledge on a policy or practice issue of importance.
Water is technically considered a renewable resource because it can be used over and over again and it has a rain cycle. However, it is only in the short-term that water can be thought of as a renewable resource and the sustainability of this renewable resource is questionable.ne of the main reasons that water may become a non-renewable source is the population growth. The population is expanding at a speedy rate, and this is putting enormous pressure on all our resources, even the renewable ones.
The hydrosphere is the layer of the earth where water is found. The oceans are where most of the earth's water is found, but water can also be found in lakes, rivers and below the ground. Water is also an essential habitat resource.