What Does The Word Conservation Mean?

The word conservation means preservation through efficient and
  careful use of resources. One simple thing we can do is to conserve water.
  Clean and fresh water availability has decreased dangerously in many parts of
  the world. That's the reason places like South California are heading towards
  mandatory conservation of water. We all can make a conscious effort to reduce
  and minimize our water usage. Check out this site
  www.bewaterwise.com to read tips on water conservation.