Water Shortage in U.S

Drought

In 1999, drought in the Western states

Worst drought in 500 years

Water reservoirs in Colorado River dropped to 50%.

Water shortage

25 million people in 7 states didn't have water

inspired water-saving toilets and washing machines

In Denver, water consumption rates lowest in 30 years

Water Pollution

Air Pollution :

Global Warming

Over population

Water Pollution (2)

threats come from many sources.

air pollution magnifies Earth's natural green house effect

Burning fossil fuels, such as coal and oil.

Explosive population growth around Atlanta, Georgia.

Water pollution threats include animal manure and chemicals, for instance, underground gasoline has been leaking into groundwater in 49 states.

nitrogen and phosphorus found in fertilizers and factory pollution, Mississippi river.

Makes air pollution

increase in Earth temperture

U.S. autos produce 8.2 million tons of nitrogen oxide a year.

California's Sierra Nevada, winter precipitation that snow now falls as rain

Makes acid rain.

The pollution deprive fish of oxygen.

the snow used to melt gradually, delivering water to thirsty Californias in summer

7000 square miles dead around the river mouth.

pollution comes from many sources

instead of delivering water during near-rainless summer, the water runs into waterways at once leaving less for the dry months

factory pollution wash in into the Mississippi River and it will kill animals in the river

pollutants deprive fish of oxygen

less and less water that Californias is getting

7000 square mile ''dead zone'' around the rivers mouth

pollute the land

slowly kills plants and fish

Atlanta, Georgia is outstripping the water supply in the Southeast.

leaking MTBE into groundwater in 49 states, MTBE makes gasoline burn cleaner, but it can cause cancer when consumed

Alabama and Florida argue the extra water removal will leave them high and dry.

click to edit