シャドーイング練習: Environmental Impacts Of Consumer Products - YouTubeで英語スピーキングを学ぶ
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MUSIC We often don't realise it,
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but the decisions we make as consumers,
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from what products we buy to how we end up disposing of them,
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of them all affect other people in other places.
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I want to know more about the impact that the manufacturing and consumption of goods has on different environments around the world.
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Let's hear from Kathleen Griffith about the environmental impact of manufacturing.
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Countries that make consumer goods or produce the raw materials are going to be affected environmentally.
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From previous old-fashioned behaviours such as making garments
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and just basically getting rid of waste into the rivers
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or the waterways and therefore the fish die
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and the rivers might get green algae and it can all pollute people that live around those rivers,
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it really can be quite devastating.
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You would think we would have gotten better at that by now
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but if you know there's been recent media attention to the bleaching of Great Barrier Reef
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and a lot of protests about how close we're discharging stuff into
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that part of the world or that part of Australia's waterways
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and that it is having a detrimental effect on the Barrier Reef.
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Now that all comes from stuff that's being manufactured here in Australia.
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If we take an example of a country that does a lot of manufacturing,
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China, they have a a lot of trouble with pollution.
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You have to pretty much wear a mask if you're in one of the tier one cities of China.
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It is affecting people's health,
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it's reducing their life expectancy,
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and people in China in those tier one and tier two cities are very,
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very concerned about the effect of that pollution on their children.
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Sourcing raw materials and producing goods have an environmental impact in our country and around the world.
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So what can we do as consumers to help minimise this impact?
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I've been thinking about my lifestyle and the things that I buy.
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I'm buying diamond earrings for a friend.
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I can't say I know much about where they come from,
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so that's where I'll start my research.
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Diamonds are one of the most precious and sought-after stones on the planet.
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However, around 4% of the rough diamonds sold on the world market are known as blood diamonds
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because of the fact they originate from places of civil war and conflict like Sierra Leone,
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Angola and the Ivory Coast.
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These territories are often controlled by groups of rebels who sell the diamonds to pay for guns and weapons.
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The illegal diamond traders cause the deaths and displacement of millions of African people.
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The mining of diamonds has also had a severe environmental impact on several parts of Africa.
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In the Kono district of eastern Sierra Leone,
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thousands of abandoned mining pits remain filled with stagnant rainwater and malaria-carrying mosquitoes.
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Wildlife has vanished from the area and what was once fertile farmland is now barren and uninhabitable.
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There's a lot of consequences of diamond mining.
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What about makeup?
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I need to look a bit deeper here.
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Sodium Laurel Palmate, I've heard of that.
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It's the scientific term for palm oil.
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Let's have a look.
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Palm oil is extracted from the fruit of the Eleus genensis species of palm,
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indigenous to West Africa.
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Because of its high resistance to oxidisation and decay,
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the oil is used in a variety of products to increase their shelf life.
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This includes everything from cosmetic products to soaps and shampoos to instant noodles and chocolate.
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The cost of the widespread use of palm oil has been massive deforestation in Malaysia
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and Indonesia where 90% of palm oil is currently produced.
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Since oil palms need high humidity and temperatures and a large amount of land,
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rainforests are regularly cleared to make way for commercial plantations,
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taking a devastating toll on local plant, animal and bird species.
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Another environmental issue is the dumping of electronic waste.
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Do you know where 70% of the electronic waste generated globally eventually ends up?
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Guayu in the Guangdong province of China,
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it's notorious for being home to the largest electronic waste dump in the world.
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Electronic and other waste is shipped to China,
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and various other parts of the world,
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including poorer countries, where environmental protection laws are weak or non-existent.
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Environmental impacts from adding heavy metals to landfill,
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or the burning of circuit boards and plastic wires,
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and washing of electronic items to recover metals, go unchecked.
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Work areas in these recycling centres are often poorly ventilated and there is no protective gear provided.
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Workers are exposed to toxic fumes from heavy metals.
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Together with hydrocarbon ashes, heavy metals are also released into the soil, water and air.
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People are feeling the effects.
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In China's Guangdong province, children have been found to have abnormally high levels of lead in their blood.
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Those are just three examples of how our use of products contributes to the environmental decline in other parts of the world.
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The good news though, is that more
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and more businesses are using sustainable practices to reduce the impact of manufacturing on the environment.
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Here's a company that specialises in sustainable packaging and recycling practices.
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Vizi processes recyclables for millions of households and businesses across Australia and New Zealand each year.
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They recover over 1.7 million tonnes of paper and cardboard,
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221,000 tonnes of glass, 92,000 tonnes of plastics and 34,000 tonnes of metals.
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Visi first started off as a manufacturer of cardboard boxes
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and is now one of the world's leading packaging and recycling companies that employs over 5,000 staff.
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We collect and process materials such as plastic,
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cardboard, paper, aluminium, steel and glass and we use this to make our own recycled and new packaging.
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Recycling and sustainability is so important at Visi as we are a manufacturer of new packaging.
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We collect and process this material which then creates a closed loop.
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This helps us reduce the need for natural resources.
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Australians spend over half a billion dollars a year on bottled water.
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We all know about putting empty plastic bottles in recycling bins,
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but what happens to them after that?
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So a plastic bottle
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that is placed into a recycling bin is collected by a dedicated recycling truck
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and that material then comes back to what we would call our MRF or our material recovery facility.
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And that is where we separate and sort all the different material types,
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whether it is glass, plastic,
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aluminium, steel, cardboard and paper.
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We use a combination of either machinery or manual hand sorters to separate this material.
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Once that material is then separated,
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is then sent away to different divisions of the business to be recycled and turned into new packaging.
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Plastic bottles are typically sorted using our optical sorting machine.
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This machine separates the three types of plastics into three separate categories.
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So it will separate our HDPE,
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our PET bottles and our mixed plastics,
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and they are then baled separately and sent off to our plant in Smithfield for reprocessing and remanufacturing.
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So once the plastic bottles arrive at our Smithfield plant in New South Wales,
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they're then ready for reprocessing.
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So the plastic bottles are flaked,
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palletised, moulded into little preforms,
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which would be the mould for the end product.
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Those preforms are then blow moulded into the final product,
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which is a plastic bottle.
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They're then ready to hit the shop shelves.
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However, up to 36% of plastic bottles aren't recycled,
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which means that hundreds of millions of bottles end up as waste every year.
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And if you don't think your personal recycling habits make much of a difference,
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then think about this.
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Statistics show that the average Australian produces two tonnes of landfill waste per year.
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So outside of always using the right bin and reusing a drink bottle or coffee cup,
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what else can we do to improve our recycling habits?
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I guess the first step is to purchase recyclable products when you're shopping.
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The other would be to make sure everyone in the household is educated on on what can
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and can't be recycled and how they should be utilising or using their bins within the home.
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Vizi is aiming for a future where everything that touches us can be recycled,
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where waste is a thing of the past,
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and we won't stop until we get there.
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Every product we use has an environmental impact,
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in some cases a devastating impact.
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It's up to us as consumers to be more aware of the wider implications of our buying decisions
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and to consider not just where our product has come from but where it's likely to end up.
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このビデオで話す練習をする理由は？
このビデオは、環境への影響についての意識を高めるための重要な情報を提供しています。消費者としての私たちの選択が、どのように他の地域や人々に影響を及ぼすかを考えることは、英語学習にも役立ちます。特に、環境問題について話すことで、YouTubeで英語学習の際に重要なトピックについての語彙を増やし、自信を持って意見を述べる力を養えます。また、IELTS スピーキング対策としても非常に効果的です。実際の会話に基づいたリスニングとスピーキングの練習を行うことで、リアルな英語の感覚を身につけることができます。
文法 & 表現の文脈
スピーカーが使用する主要な構造を以下に分析します。
- What can we do as consumers? - この表現は、聞き手に行動を促す形で、問題解決の姿勢を示しています。
- It is affecting people's health - 進行形を使用することで、問題の継続性と緊急性を強調しています。これは意見を述べる際に非常に効果的です。
- There are a lot of consequences - 具体的な結果を示し、注意を引く文法構造です。このような表現を覚えることで、より説得力のある主張が可能になります。
これらのフレーズは、英語シャドーイングにおいて非常に有用で、スピーキングの際に具体的な語彙と構文を使う手助けになります。
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このビデオには、特に注意すべき発音のポイントがあります。例えば、「pollution」の「lu」部分は、他の多くの言葉とは異なる発音がされ、ネイティブスピーカーにとっては一般的ですが、英語学習者にとっては難しいかもしれません。また、「consequence」の「qui」部分も発音が難しいため、注意が必要です。こうしたトリッキーな単語は、shadowing siteを使用した練習で克服することができます。
繰り返し発音練習を行うことで、言葉の流暢さが向上し、より自然な会話が可能になります。
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。