Water Pollution
What is Non-Point Pollution?
Pollution that is diffused and enters from large toxic sources
What is Precipitation?
Falling liquid or solid water
What industry uses the most water?
Agriculture
How will climate change impact water availability in years to come?
It will increase water scarcity
Why is groundwater difficult to clean up
It is hard to identify the source of pollution, often goes unseen,
What is point source pollution?
What percentage of the worlds water is fresh, liquid surface water?
less than 1%
How much water is needed to produce 1 pound of beef
1,900 gallons
Name of environmental impact of dams and water diversion
depletion of ecosystems, loss of water, increased salinity of water in bays/marshes, rivers no longer will run to the sea (destroying fish habitat)
What is the great pacific garbage patch?
a swirling vortex of collected trash from all over the world that is gathering in the Pacific Ocean
Name three different types of water pollution
Pathogens, Excess Nutrients, Metals, salts, acids, bases, organic compounds, sediment, thermal pollution
What is an aquifer?
Layers in the ground that contain water
How much water is needed to produce a kilogram of chocolate?
27,000 gallons
There has already been wars over water: True or False
True: Syria and Sudan have already had conflicts over water use
Why is pollution common in lower income areas?
Lack of water treatment facilities, infrastructure, education, and regulation regarding water pollution
What is thermal pollution?
a type of pollution that occurs when pollution changes the temperature of the body of water
How is water in a river measured?
Discharge
Why is access to clean water important to health?
For drinking, sanitation, and to prevent diseases
Name three ways you can reduce water use in your own home
Turn off faucet when brushing teeth, put a brick in your toilet tank, use pesticides sparingly, use recycled rain water to water lawn, avoid using toxic chemicals...
How much of the worlds population doesnt have access to clean water?
1/3
What industry causes the largest amount of pollution in the United States?
Agriculture
Describe the path a water molecule would take in the water cycle
Water evaporates from the ocean surface, winds carry it over the land in the form of clouds, the water cools and condenses, falls to the land in the form of precipitation, water then enters a river/stream/lake, which then returns to the ocean
How much more water does the developed world drink (United States) than the developing world ( Africa)
Ten times
What causes the highest water use in a typical United States home?
Toilets
What was the specific goal of the clean water act?
to make all U.S. bodies of water Fishable and Swimmable