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4. photodegratation of plastic

1. Definiton & location

  • plastic disintegrates --> microplastics
  • ingested by animals
  • plastics enter food chain

The Great pacıfıc garbage patch

2. Origin of plastic

  • GPGP/ trash vortex = collection of marine debris in the Pacific Ocean
  • marine debris= human created waste
  • two collections bounded by gyre
  • 1985
  • bigger than Texas about 700,000 sq. km
  • 4 particles per cubic meter

  • 3.5 mio t. garbage
  • debris consists of plastic chemical sludge
  • 2014- 80% land- based
  • 20% from ships

3. Formation

contents

  • oceanic currents
  • material is captured in currents

7.what is being done & what should be done?

  • must be cleaned up
  • treaties prohibiting dumping must be enforced
  • sewage shouldn't be allow to flow
  • cleanup programs
  • trawling the ocean --> impossible

8. What can you do?

1. Definiton & location

2. Origin of plastic

3. Formation

4. Photodegratation of plastic

5. Effect on wildlife & humans

6. Why we must do something

7. What is being done? (projects)

8. What can you do?

5. effect on wildlife & humans

  • always be responsible for your trash
  • get involved in local cleanups
  • remember that land & sea are connected
  • reduce waste
  • reuse items --> scrap pappackaging, carrier bags, jars,
  • managing waste on land
  • 2006 - Northwestern Hawaiian Islands Marine Monument
  • 2008 - ECC was formed
  • 2015 - The Ocean Cleanup project
  • Greenpeace protects the environment and defends our oceans
  • 1.5 mio albatrosses have plastic in their stomach
  • 1/3 of their chicks die
  • every year twenty tons more plastic
  • 5 tons fed to chicks
  • debris absorb pollutants
  • plastics cause hormone disruption
  • humans ingest toxic chemicals
  • debris affects 267 species

6. why we must do something:

  • wildlife is being killed
  • debris damage beaches
  • discourage swimming
  • islands receive garbage
  • beaches are buried under garbage

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