Chapter 4 - Emerging Water Shortages - Plan B 3.0

What percent has Africa's Lake Chad shrunk in the past 40 years?

We each drink on average nearly ___ liters of water per day in one form or another.

70% of all water is used for ______________

The survey reporeted that under Hebei Province inthe heart of the North China Plain, the average level of the deep aquifer was dropping nearly _____ meters per year

_____________ blackouts are reaching epidemic proportions in states where half of the electricity is used to pump water from depths of up to a kilometer!

In the United States, the U.S. Deparment of Agriculture (USDA) reports that in parts of TEXAS, okahoma and Kansas-- the three leading grain-producing states -- the undreground water table has dropped by more than 30 meters  (_____ feet)

The Colorado River now rarely makes it to the sea. With states of Colorado, Uta, Arizona, Nevada and _____________ depending heavily on the Colorado's water, there is little, if any water left when it reaches the Gulf of California.

The annual loss of water from a reservoir in arid or semiarid regions, where evaporation rates are high, is typically equal to ___ percent of its storage capacity.

As cotton planting expanded, so too did the diversion of water form the two rivers that fed the Aral Sea. And as the sea shrank, the salt concentrations climbed until the fish died. The thriving fisherery that once yielded ______ tons of seafood per year disappeared, as did the jobs on the fishing bots and in the fish processing factories. We are growin cotton in west Texas - a place where cotton can't grow without irrigation. Think about it.

It takes ____ tons of water to grow a ton of wheat worth $200.  Think about that! 

What country is traditionally the leading wheat importer?

When water supply drops below _____ cubic meters per person, people face scarcity.