Afforestation, green houses, swales, center pivot irrigation and no till agriculture are highly effective methods that conserve water or let it accumulate in th

Afforestation, green houses, swales, center pivot irrigation and no till agriculture are highly effective methods that conserve water or let it accumulate in the local area. Dams are highly ineffective when the goal is water conservation. Censorship and punishment are also highly ineffective methods for water conservation.