2.Prefer drip irrigation.
3.Rainwaterharvesting should be done.
4.Recycling of water should be done.
5.Spinkler irrigation should be prefered.
6.Don't pollute water.
7.Don't cut trees as they help in bringing rain.
8.Save electricity,The more electricity you save, more water you save.
9.Prefer other sources of power like wind expect water
10.Leftver over water in different works should be used for watering trees etc.
11.Plants should be watered in dusk or night because at that time, maximum water is getted by plants and less evaporates.