WATER POLLUTION Water Pollution CAUSES 1 Industrialization 2

  • Slides: 25
Download presentation
WATER POLLUTION

WATER POLLUTION

Water Pollution CAUSES 1. Industrialization 2. Rapid human population growth

Water Pollution CAUSES 1. Industrialization 2. Rapid human population growth

Water Pollution � Pollution discharged from a single source is called POINT SOURCE POLLUTION

Water Pollution � Pollution discharged from a single source is called POINT SOURCE POLLUTION �Factory dumping �Oil spill �Hot water

Water Pollution � Pollution discharged from many sources is called NON-POINT SOURCE POLLUTION �Dumping

Water Pollution � Pollution discharged from many sources is called NON-POINT SOURCE POLLUTION �Dumping into the water (cruise ships, cargo ships) �Dumping chemicals down the drain

Non-point Source Pollution � Farms: herbicides, pesticides, fertilizers, feces � Chemicals added to roads

Non-point Source Pollution � Farms: herbicides, pesticides, fertilizers, feces � Chemicals added to roads � Oil and gasoline

1. Thermal Pollution � Pollution caused by the heating of a body of water

1. Thermal Pollution � Pollution caused by the heating of a body of water affecting the organisms that live there

Salton Sea � Inland saline sea in California

Salton Sea � Inland saline sea in California

2. Groundwater Pollution � Pollution caused by chemicals seeping into the groundwater supply ○

2. Groundwater Pollution � Pollution caused by chemicals seeping into the groundwater supply ○ Pesticides ○ Herbicides ○ Fertilizers

Love Canal, Niagara � 1900’s � 1950’s �Asthma, miscarriages, mental retardation � 1970’s �

Love Canal, Niagara � 1900’s � 1950’s �Asthma, miscarriages, mental retardation � 1970’s � 56% of the children in the area were born with birth defects � 1980’s

3. Ocean pollution � Pollutants being dumped into the ocean � Oil spills �

3. Ocean pollution � Pollutants being dumped into the ocean � Oil spills � Cruise ship garbage

Bikini Atoll � 1946 to 1958 � Hydrogen bomb test site

Bikini Atoll � 1946 to 1958 � Hydrogen bomb test site

Effects of Pollution

Effects of Pollution

1. Biomagnification � The accumulation of pollutants in a food web �Pollutant levels increase

1. Biomagnification � The accumulation of pollutants in a food web �Pollutant levels increase as you go up the food chain

2. Artificial Eutrophication � In imbalance of nutrients in an aquatic ecosystem � Causes

2. Artificial Eutrophication � In imbalance of nutrients in an aquatic ecosystem � Causes overgrowth of algae

3. Diseases � Caused by water borne bacteria �Cholera �Typhoid �Schistosomiasis

3. Diseases � Caused by water borne bacteria �Cholera �Typhoid �Schistosomiasis

� 4 million children die each year from diarrhea caused by contaminated water

� 4 million children die each year from diarrhea caused by contaminated water

4. Clean Up Costs � Takes a lot of money, time and resources to

4. Clean Up Costs � Takes a lot of money, time and resources to clean up water pollution

Clean up Costs � Exxon Valdez �$2 billion in clean up �$1 billion in

Clean up Costs � Exxon Valdez �$2 billion in clean up �$1 billion in legal fees � Deepwater �$20 billion Horizon

Deepwater Horizon Oil Spill � 8, 332 species � 1, 200 fish 6, 814

Deepwater Horizon Oil Spill � 8, 332 species � 1, 200 fish 6, 814 dead animals have been collected � 200 birds � 6, 104 birds � 1, 400 mollusks � 609 sea turtles � 1, 500 crustaceans � 100 dolphins and other � 4 sea turtles mammals � 1 reptile � 29 marine mammals �

5. Acid Rain Acidic material deposited when it rains � Erodes buildings, and harms

5. Acid Rain Acidic material deposited when it rains � Erodes buildings, and harms vegetation �

What can we do? ? 1. Educate People

What can we do? ? 1. Educate People

2. Enforce pollution regulations

2. Enforce pollution regulations

3. Recycling materials

3. Recycling materials

4. Pack it in-Pack it out

4. Pack it in-Pack it out