m80.    How can we protect our water supplies?

Overuse of ground water can intensify the draining of aquifers, subsidence, and intrusion of salt into aquifers. About 25% of the groundwater withdrawn in the US is not replaced. There solutions, including controlling population growth, planting less water dependent crops, genetically developing less water dependent plants and instigating methods for wasting less irrigation water.

e02.   Where is life found in the water?

e04.    What sorts of resources do rangelands produce?

e07.    What is the Wild and Scenic River System?

e14.    What are the basic components of life?

e18.    Does water recover from pollution?

e19.    What materials can cause water pollution?

e22.    What do we eat?

g25.    What are the properties of water? 

g26.    Where is drinkable water found?