Julia, belén y mari carmen colgado

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Julia, belén y mari carmen colgado

  1. 1. Waste Disposal and Recycling:
  2. 2. Every hour, people throw away about 2.5 milion plastic bottles.
  3. 3. Every day, the average person produces about 2 kilograms of trash.
  4. 4. Every year, people throw away 2.8 milion metric tons of plastic bags and230 milion automobile tires.
  5. 5. Disposable products can be cheap and convenient. But they havecreated a big problem- what to do with all the trash.
  6. 6. Recycling:
  7. 7. The process of reclaming raw materials and reusing them to create newproducts is called recycling.
  8. 8. Recycling reduces the volume of solid waste by enabling people to usethe materials in wastes again.
  9. 9. Matter in ecosystems is naturally recycled through the water cycle,carbon cycle, and other process.
  10. 10. Any material that can be broken down and recycled by bacteria and otherdecomposers is biodegradable.
  11. 11. A wide range of materials, including motor oil, tires, and batteries, can berecycled.
  12. 12. -Metal:●You are surrounded by metal objects that can be recycled: a desk,scissors, staples and paper clips..
  13. 13. Recycling metal saves money and causes less pollution than makingnew metal. Recycling metals helps conserve these nonrenewableresources.
  14. 14. -Plastic:●When oil is refined to make gasoline and other petroleum products,solid materials called resins are left over.
  15. 15. Common plastic products that can easily be recycled include milk jugs,detergent containers, and soda bottles.
  16. 16. -Glass:●Glass is made from sand, soda ash, and limestone mixed togetherand heated.
  17. 17. Glass is one of the easiest products to recycle because glass pieces canbe melted down over and over to make new glass containers.
  18. 18. Recycled glass is also used to make fibreglass, bricks, tiles, and thereflective paints on road signs.
  19. 19. -Paper:●Paper mills turn wood into a thick liquid called pulp. Pulp can alsobe made from old newspapers and old used paper. The paper mustbe washed to remove the inks and dyes.
  20. 20. -What People Can Do:●The good news is that there are ways individuals can help controlde solid waste problem. These are sometimes called the threeRs- reduce, reuse, and recycle.
  21. 21. -Reduce, reuse and recycle:●Reduce: refers to creating less waste in the first place.●Reuse: refers to finding another use for an object rather thandiscarding it.●Recycle: refers to reclaming raw materials to create new products.

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