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Latihan shadowing: Climate Change - Your Carbon Footprint Explained

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  1. You know you should probably reduce it, but what exactly is your carbon footprint?0:00
  2. A carbon footprint refers to the total amount of greenhouse gases released into the Earth's atmosphere as a result of the activities of an individual or an organisation.0:09
  3. Remember, greenhouse gases trap heat inside the atmosphere, and that's overheating the planet.0:19
  4. So if you want to work out your own carbon footprint, you need to know the amount of greenhouse gases like carbon dioxide you're responsible for creating.0:25
  5. It's a difficult thing to measure precisely, and there are different definitions about how best to calculate it.0:35
  6. But roughly speaking, there's the direct impact of using energy when we travel or to power our homes.0:42
  7. And there's the indirect impact of the energy that's used to create all the things we use or consume.0:48
  8. In the developed world in particular, transport is a big part of your carbon footprint.0:55
  9. Cutting down on the use of petrol or diesel cars and taking fewer flights is one of the most effective ways of reducing it.1:00
  10. The place you live also contributes to your personal footprint.1:09
  11. It's important to make sure your home is heated or cooled efficiently and is well insulated.1:12
  12. The more you can use sustainable energy like solar or wind power, the more you cut your emissions.1:19
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  1. The stuff you use at home also adds to the problem.1:26
  2. All that plastic, metal and cardboard takes a lot of energy to produce and dispose of.1:29
  3. So recycling can help reducing your carbon footprint, but not as much as how you travel or heat and cool your home.1:35
  4. Then there's your diet.1:43
  5. Above all, red meat makes your carbon footprint bigger because cows produce so much methane, another greenhouse gas, and huge numbers of trees are cut down to create pastures on1:45
  6. which cattle can graze.1:56
  7. In the developing world, polluting stoves are a real problem too, so it's important to try to replace them with more efficient methods of cooking.1:58
  8. But overall, people in poorer countries produce far smaller amounts of greenhouse gases than people in richer countries do.2:07
  9. So if you look at just what a country produces, the average amount of carbon dioxide emissions per person in the United States is about 16 .1 tonnes per year.2:15
  10. In China, it's 7 .1 tonnes, and in the UK, it's about 5 .5 tonnes.2:25
  11. But in the Democratic Republic of Congo, it's only 0 .03 tonnes.2:32
  12. While in Qatar, which has a really small population but produces so much oil and gas, it's 38 .6 tonnes.2:38
  13. Now that's just production.2:45
  14. It doesn't take account of all the other things we've talked about, how much you consume.2:48
  15. But obviously, the more money you have, the more you tend to consume.2:52
  16. So if people in richer countries really want to reduce their carbon footprint, they need to make huge changes in their lifestyles.2:56
  17. It can be done, and new technologies to make things greener are coming on stream all the time.3:05
  18. But it is a reminder that the declared aim in many countries of going carbon neutral by the middle of this century means a revolution in the way we live.3:11

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