Pollution I Water Pollution 1 Pollution is so

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Pollution

Pollution

I. Water Pollution 1. Pollution is so widespread, because it is easy to dump

I. Water Pollution 1. Pollution is so widespread, because it is easy to dump waste into a river or the ocean

2. Three main point sources generate most water pollution: – Water-Using Industries: heavy metals

2. Three main point sources generate most water pollution: – Water-Using Industries: heavy metals (harm infants & fetuses) – Municipal Sewage – Agriculture

3. Nonpoint sources: – Urban Storm Run-Off : oil, anti-freeze, detergents, lawn fertilizers Cultural

3. Nonpoint sources: – Urban Storm Run-Off : oil, anti-freeze, detergents, lawn fertilizers Cultural Eutrophication

The Everglades & Water Quality Sugarcane field discharge – A potential source of pollution

The Everglades & Water Quality Sugarcane field discharge – A potential source of pollution killing the Everglades Pump stations deliver dirty water to the Everglades

Historic Flow of Everglades vs. Present-Day Flow

Historic Flow of Everglades vs. Present-Day Flow

A. Impacts of Water Pollution 1. On aquatic life: – water becomes oxygen-starved and

A. Impacts of Water Pollution 1. On aquatic life: – water becomes oxygen-starved and fish die – fertilizers from farms cause excessive aquatic plant production 2. Human diseases

3. Agriculture in water pollution: Animal Feeding Operations (AFOs): • An agricultural operation where

3. Agriculture in water pollution: Animal Feeding Operations (AFOs): • An agricultural operation where livestock are kept and raised in confinement. Each year, a l, 400 -pound lactating cow producing 70 pounds of milk per day excretes the following: • 300 pounds of nitrogen • 45 pounds of phosphorus • 165 pounds of potassium

Aral Sea, 1989 & 2014 The Aral Sea in the former Soviet Union has

Aral Sea, 1989 & 2014 The Aral Sea in the former Soviet Union has shrunk dramatically in area and volume due to extensive diversion of water for irrigation.

4. Waterborne Illnesses & Infectious Diseases: –Cholera, typhoid, hepatitis, dysentery, E. coli *Consider that

4. Waterborne Illnesses & Infectious Diseases: –Cholera, typhoid, hepatitis, dysentery, E. coli *Consider that waterborne diseases are the cause of approximately: -Half of all deaths of children in the developing world -4. 6 million deaths among children and adult -4 billion cases of diarrhea a year -80% of all illnesses in the developing world -One billion cases of illness at any one time Amoebic dysentery in colon biopsy

Enterobiasis: causes failure to gain weight and itching at night near your anus…

Enterobiasis: causes failure to gain weight and itching at night near your anus…

II. Land Pollution 1. product packaging biggest contributor: – ½ of solid waste in

II. Land Pollution 1. product packaging biggest contributor: – ½ of solid waste in U. S. in landfills – other ½ recycled or incinerated *About 2 kilograms (4 pounds) of solid waste person is generated daily in the United States.

Solid Waste Sources, before & after recycling Paper products are the largest part of

Solid Waste Sources, before & after recycling Paper products are the largest part of U. S. solid waste, followed by food and yard waste. Recycling can reduce solid waste considerably…

Industrial Legacy: Abandoned factories, mines, and landfills often leave extensive pollution behind…

Industrial Legacy: Abandoned factories, mines, and landfills often leave extensive pollution behind…

2. Toxic Pollutants – toxic wastes: heavy metals, PCB oils, cyanides, strong solvents, acids

2. Toxic Pollutants – toxic wastes: heavy metals, PCB oils, cyanides, strong solvents, acids – burial of waste was accepted method… – burial sites have leaked (i. e. : Love Canal, NY) – https: //www. youtube. com/watch? v =Kjobz 14 i 8 k. M