Pratique du Shadowing: What is the tragedy of the commons? - Nicholas Amendolare - Apprendre l'anglais à l'oral avec YouTube

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Imagine as a thought experiment that you live in a small village and depend on the local fish pond for food.
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Imagine as a thought experiment that you live in a small village and depend on the local fish pond for food.
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You share the pond with three other villagers.
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The pond starts off with a dozen fish, and the fish reproduce.
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For every two fish, there will be one baby added each night.
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So, in order to maximize your supply of food, how many fish should you catch each day?
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Take a moment to think about it.
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Assume baby fish grow to full size immediately and that the pond begins at full capacity, and ignore factors like the sex of the fish you catch.
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The answer? One, and it's not just you.
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The best way to maximize every villager's food supply is for each fisherman to take just one fish each day.
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Here's how the math works.
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If each villager takes one fish, there will be eight fish left over night.
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Each pair of fish produces one baby, and the next day, the pond will be fully restocked with twelve fish.
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If anyone takes more than one, the number of reproductive pairs drops, and the population won't be able to bounce back.
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Eventually, the fish in the lake will be gone, leaving all four villagers to starve.
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This fish pond is just one example of a classic problem called the tragedy of the commons.
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The phenomenon was first described in a pamphlet by economist William Forster Lloyd in 1833 in a discussion of the overgrazing of cattle on village common areas.
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More than 100 years later, ecologist Garrett Hardin revived the concept to describe what happens when many individuals all share a limited resource, like grazing land, fishing areas, living space, even clean air.
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Hardin argued that these situations pit short-term self-interest against the common good, and they end badly for everyone, resulting in overgrazing, overfishing, overpopulation, pollution, and other social and environmental problems.
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The key feature of a tragedy of the commons is that it provides an opportunity for an individual to benefit him or herself while spreading out any negative effects across the larger population.
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To see what that means, let's revisit our fish pond.
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Each individual fisherman is motivated to take as many fish as he can for himself.
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Meanwhile, any decline in fish reproduction is shared by the entire village.
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Anxious to avoid losing out to his neighbors, a fisherman will conclude that it's in his best interest to take an extra fish, or two, or three.
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Unfortunately, this is the same conclusion reached by the other fisherman, and that's the tragedy.
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Optimizing for the self in the short term isn't optimal for anyone in the long term.
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That's a simplified example, but the tragedy of the commons plays out in the more complex systems of real life, too.
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The overuse of antibiotics has led to short-term gains in livestock production and in treating common illnesses, but it's also resulted in the evolution of antibiotic-resistant bacteria, which threaten the entire population.
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A coal-fired power plant produces cheap electricity for its customers and profits for its owners.
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These local benefits are helpful in the short term, but pollution from mining and burning coal is spread across the entire atmosphere and sticks around for thousands of years.
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There are other examples, too.
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Littering, water shortages, deforestation, traffic jams, even the purchase of bottled water.
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But human civilization has proven it's capable of doing something remarkable.
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We form social contracts, we make communal agreements, we elect governments, and we pass laws.
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All this to save our collective selves from our own individual impulses.
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It isn't easy, and we certainly don't get it right nearly all of the time.
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But humans at our best have shown that we can solve these problems and we can continue to do so if we remember Hardin's lesson.
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When the tragedy of the commons applies, what's good for all of us is good for each of us.
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About This Lesson

In this lesson, you will practice your English listening and speaking skills by engaging with a compelling topic: the tragedy of the commons. You will listen to a thought-provoking explanation of how individual actions can lead to collective consequences, using vivid examples like a shared fish pond. By focusing on this transcript, you will enhance your comprehension of complex ideas while practicing pronunciation and intonation. This exercise is particularly beneficial if you're preparing for the IELTS speaking test or looking to expand your vocabulary as you learn English with YouTube.

Key Vocabulary & Phrases

  • Tragedy of the commons: A situation in which individual users overuse a shared resource, leading to its depletion and causing negative impacts for all.
  • Common good: Benefits or interests that are shared by all members of a community.
  • Short-term self-interest: Actions taken by individuals that benefit them immediately without regard for the long-term effects on others.
  • Reproductive pairs: A term used to describe a couple of organisms, in this case, fish, that can reproduce and contribute to population growth.
  • Social contracts: Agreements among individuals to work together towards shared goals or benefits.
  • Overgrazing/overfishing: Excessive use of land or water resources, leading to their degradation.
  • Antibiotic resistance: The ability of bacteria to withstand the effects of medication that once could effectively kill them.
  • Pollution: The introduction of harmful substances or products into the environment.

Practice Tips

When practicing with this video, consider using a shadowing app to enhance your learning experience. Start by listening to a short segment of the transcript, focusing on the speaker's pace and tone. Then, repeat what you hear, trying to match the speed and emotion conveyed. This technique not only improves your pronunciation but also your overall fluency. As you shadow, pay attention to how phrases are structured and practice exaggerating the intonation to build confidence in your speaking abilities.

For optimum results, practice in sessions of 10-15 minutes, as shorter intervals help retain information better. If the speaker's pace feels quick, don't hesitate to playback slower versions of the video. This will ensure you understand and internalize what you're learning, making it easier to articulate complex ideas during your IELTS speaking practice or any conversation. Remember, the goal is to replicate not just the words, but the rhythm and nuances of natural English speech.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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