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Water Pollution

January 2024. Water Pollution, or Marine Pollution, is the contamination of water sources by substances making the water unusable for human activities, and disrupting aquatic ecosystems. Water pollution sources include crop and livestock agriculture, municipal wastewater (sewage) treatment plants, chemical plants, nuclear power plants, solid and plastic waste dumping, oil tankers, and oil refineries. Water pollution affects both surface and groundwater. Water pollutants (contaminants) are classified based on their chemical, physical, biological, nutrient, and radioactive properties. Water pollution negatively impacts human health, ecosystem stability, food chain safety, and economic growth. In addition, water pollution causes eutrophication, which occurs when nutrients from fertilizers encourage algae growth, decreasing oxygen levels and causing fish kills. There are a number of ways to prevent and mitigate water pollution, such as effective wastewater treatment (sewage, industrial, and agriculture), stormwater management, soil and sediment erosion control, organic (chemical free) farming, use of biodegradable plastics, and water conservation. Policy wise, in 1992, the United Nations Economic Commission for Europe (UNECE), established the water convention and the protocol on water and health to protect and manage transboundary surface and groundwater. The water convention directly supports Sustainable Development Goal SDG6 Indicator 6.5.2. In this slideshow, you will learn about the definition, sources, types, effects, mitigation strategies, UN policy, and global statistics of water pollution. For more slideshows on environmental sustainability, please visit s2adesign.com

1 of 20
POLLUTION
Dr. Salem Baidas
ENVIRONMENTAL SUSTAINABILITY SLIDESHOWS
FROM s2adesign.com
S2ADESIGN.COM
AGENDA
DEFINITION
01
TYPES
02
EFFECTS
03
UN POLICY
04
INFOGRAPHICS
05
Water Pollution
Water pollution
Contamination of Water Sources
by Substances Making the Water
Unusable for Human Activities and
Disrupting Aquatic Ecosystems.
farms
Chemical plants
Plastic
waste dumping
Sewage plants
Oil Tankers
& refineries
Nuclear plants
Sources
Water pollution
NRDC.ORG

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Water Pollution

  • 2. ENVIRONMENTAL SUSTAINABILITY SLIDESHOWS FROM s2adesign.com S2ADESIGN.COM
  • 5. Water pollution Contamination of Water Sources by Substances Making the Water Unusable for Human Activities and Disrupting Aquatic Ecosystems.
  • 6. farms Chemical plants Plastic waste dumping Sewage plants Oil Tankers & refineries Nuclear plants Sources Water pollution NRDC.ORG
  • 7. GROUNDWATER POLLUTION Occurs when Pollutants such as Pesticides and Fertilizers Seep into Wells and other Places from which Groundwater is Extracted Causing it to Become Unsafe for Human Use. SURFACE WATER POLLUTION Affecting All Water Sources Above Ground such as Rivers, Lakes, and Oceans. Primarily Caused by Storm Water, Sewage, Farm Waste Fertilizer Runoff, and Industrial Waste. NRDC.ORG types Water pollution
  • 8. The Most Common Type of Water Pollution. Primarily Caused by Pesticides, Heavy Metals, Solvents, Drugs, Oils, and Toxins. Chemical Impacts the Physical Appearance of Water. Caused by Suspended Sediment from Soil and Sediment Erosion or Organic Material. Physical A Naturally Occurring form of Water Pollution. Produced by Disease Causing Bacteria, Viruses, Protozoa, and Parasites. biological Fertilizers High in Nutrients such as Nitrates Cause Rapid Algae Growth on Water Surfaces Blocking the Sun and Depleting Oxygen. NUTRIENT Elements that Emit Harmful Radiation such as Tritium and Uranium. Caused by Radioactive Water Discharge from Nuclear Plants. Radioactive Pollutanttypes Water pollution EPA.GOV
  • 9. Drinking Polluted Water can Lead to Severe Health Issues such as Typhoid, Giardia, Cholera, Hepatitis, and Legionnaires’ Disease. health Are Dynamic and Respond to Changes in the Environment such as Water Pollution which Can Cause an Entire Ecosystem to Collapse. ecosystem Are Disrupted when Aquatic Animals Consume Pollutants and Toxins in Water which are then Consumed by Humans. Food chain Occurs when Nutrients from Fertilizers Encourage Algae Growth Decreasing Oxygen Levels and Causing Fish Kills. Eutrophication Polluted Water Requires Costly Treatment before Human Consumption and Causes Revenue Loss in the Tourism Industry. economy ENVIROTECH-ONLINE.COM effects Water pollution
  • 10. sewage treatment Industrial wastewater treatment Agriculture Wastewater treatment Stormwater management Soil& Sediment erosion control Organicfarming Biodegradableplastics Water conservation water monitoring ATLAS-SCIENTIFIC.COM Prevention and mitigation Water pollution
  • 12. unECE In 1992, the UNECE Established the Water Convention to Protect and Better Manage Transboundary Surface and Groundwater Directly Supporting SDG6 Indicator 6.5.2. UNWATER.ORG UN Environment Program Water Convention
  • 13. This is a placeholder text. This text can be replaced with your own text. This text can be replaced with your own text. This is a placeholder text. This text can be replaced with your own text. This text can be replaced with your own text. 9.7 6.6 4.1 3.6
  • 14. Most polluted OCEANS WORLDWIDE IN 2022 15 19 27 28 31 32 33 35 Benin Togo Bangladesh Cameroon Nigeria India Ghana Haiti OCEANHEALTHINDEX.ORG By country (Ocean health index)
  • 16. % SEWAGE & INDSTRL WASTE % DEFORESTATION FRIENDSOFTHEEARTH.EU GLOBAL GROUNDWATER NITRATECONTAMINATION By source (share) % CROP FARMS
  • 17. 383 173 393 12 19 61 130 13 66 12 12 4 116 15 1970 1974 1978 1982 1986 1990 1994 1998 2002 2006 2010 2014 2018 2022 ITOPF.ORG OIL LEAKED FROM TANKERINCIDENTSWORLDWIDE Volume(thousand metric tons) 26X decrease
  • 18. 1,990 1,300 930 491 297 247 North Pacific Indian Ocean North Atlantic South Pacific South Atlantic MEDIT Sea PS.BOELL.ORG PLASTICS FOUND IN MARINE AREAS worldwide in 2019 billion units
  • 19. 1.9Trillion Number of Plastic Pieces that were Found in the North Pacific Ocean in 2019. 393TMT Volume of Oil Leaked from Tanker Incidents Worldwide in 1978. 60% Of the Global Nitrate Groundwater Contamination Originated from Farms in 2019. GLOBAL WATER POLLUTION Key highlights ITOPF.ORG