シャドーイング練習: Grows Food in Dead Soil. The "Primitive" Trick That Beat Modern Science. - YouTubeで英語スピーキングを学ぶ
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An illiterate farmer from one of the poorest countries on earth walks into the United States Capitol building.
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An illiterate farmer from one of the poorest countries on earth walks into the United States Capitol building.
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He is wearing a long brown smock.
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He doesn't speak English.
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He is about to address members of Congress
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and a room full of international agricultural experts about how to save millions of people from starvation.
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His name is Yacouba Sawadogo,
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and 30 years earlier his own neighbors called him a madman.
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They set his fields on fire to stop him,
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because Yacouba was digging holes,
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thousands of them, in the middle of the worst drought in 200 years.
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When everyone else was fleeing their villages to survive,
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he was returning to his.
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When agronomists with PHDS could not figure out how to stop the Sahara Desert from swallowing West Africa,
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this peasant farmer with a shovel did it anyway.
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Between 1972 and 1984, the Sahel region of Africa experienced droughts so catastrophic that rainfall dropped by 80%.
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100,000 people starved to death.
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Tens of millions fled their homes.
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The desert was advancing.
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Scientists predicted the entire region would become uninhabitable.
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The ground turned to hard pan,
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soil so compacted that plows couldn't break it.
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When rain did fall, it ran off the surface like concrete.
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The western response was predictable.
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Agricultural experts flew in from Europe and America.
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They brought tractors.
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They brought chemical fertilizers.
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They brought irrigation systems.
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They spent billions of dollars.
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None of it worked.
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Because the Sahel has a fundamental problem that modern agriculture can't solve.
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When the soil crusts over, water cannot penetrate.
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Chemical fertilizers don't fix this.
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Tractors don't fix this.
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In fact, heavy machinery makes it worse,
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compacting the soil even more.
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But there was a technique that did work.
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It had worked for centuries.
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And in 1980, one man decided to remember it.
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Yacouba Sawadogo While everyone else was fleeing the Sahel,
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Yacouba picked up a shovel.
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As a child, he had been sent to a Quranic school in Mali.
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He was a poor student,
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but the school's sheikh told him that he would become an important leader someday.
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When he returned home as a young man,
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he opened a market stall.
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He was successful.
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He had a future in business.
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And then the droughts came.
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While everyone else fled for the cities,
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Yacouba went back to the land.
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He started farming in the middle of the worst drought in living memory.
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His neighbors told him that a man who digs holes is as useful as a man who hangs himself.
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Because Yacouba was not digging during the rainy season,
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he was digging in the dry season,
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when the ground was hardest,
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when it seemed most pointless.
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He was using an ancient technique called zai.
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He changed it.
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He made the pits bigger, and He dug deeper.
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And then he did something that made people certain he had lost his mind.
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He filled each pit with a handful of manure.
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And he waited.
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The manure attracted termites.
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The termites burrowed into the soil beneath the pits to get the organic matter.
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Their tunnels broke up the hardpan.
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They aerated the soil.
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They created a natural irrigation network deep underground.
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When the rains finally came,
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Yacuba's pits caught every drop.
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The water did not run off.
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It sank deep into the ground, up to 125 cm.
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In the flat, untreated land next door,
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water only penetrated 60 cm.
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His crops survived.
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His neighbor's crops died, and they hated him for it.
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Traditional land chiefs said he was violating the natural order.
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They ostracized him.
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Someone even set his forest on fire.
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But Yacouba did not stop.
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He replanted.
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He dug more pits.
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He added stone lines to slow water runoff.
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He started planting trees in the pits.
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By the 1990s, the forest had grown.
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By the 2000s, it was undeniable.
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He had 40 hectares of thriving woodland where there had been nothing but barren desert.
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Wildlife returned, animals that had not been seen in the region for generations.
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And then the farmers started coming back.
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They organized markets to share seeds.
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They copied his technique.
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In 1989, 13 farmers from Niger visited Yacouba's fields.
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They went home and started digging.
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When the next drought hit in 1990,
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only the Zai farmers had a harvest.
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The numbers were impossible to dismiss.
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Crop yields increased by 100 to 500%.
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Groundwater levels rose by an average of 5 meters.
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In some locations, wells gained 17 meters of water.
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Villages that had gone eight months a year without water suddenly had it year-round.
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In 2019, when a catastrophic drought killed 72% of the corn across the region,
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farmers using za'ai still had enough food to survive.
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Dr. Chris Rage, a scientist at the World Resources Institute,
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said that Yakuba's impact on restoration in the Sahel has been greater than that of all national and international experts taken together.
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Think about that.
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Billions of dollars.
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Ph.D.S from the world's top universities.
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State-of-the-art agricultural technology.
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All outperformed by by an illiterate farmer with a shovel and a bucket of manure.
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So, if XI is this effective,
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why did we stop using it?
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Because there is a reason ancient agricultural wisdom disappears.
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And it isn't because it stops working.
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It is because it doesn't make money.
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XI pits require zero purchased inputs.
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No fertilizer from chemical companies,
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no seeds from agribusiness corporations,
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No machinery from equipment manufacturers,
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just local soil, local manure, local labor.
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The global fertilizer market is worth over $200 billion annually.
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In the Sahel, farmers who use zai need zero synthetic nitrogen.
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The termites provide it for free.
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During the colonial period, European administrators called this primitive gardening.
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They discouraged it in favor of cash crops like cotton and peanuts,
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crops that required inputs, crops that kept farmers dependent.
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Fast forward to the 1970s and the 1980s.
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The international development industry descended on the Sahel with billions in aid money.
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They brought tractors, irrigation systems, chemical fertilizers.
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The projects failed, repeatedly.
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But here's what nobody talks about.
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In 1990, 13 farmers who visited Yakuba's fields went home and started using Xi.
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That year, there was another drought.
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Only the Xi farmers had reasonable harvests.
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Did the international aid organizations shift their approach?
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No, because you can't write a grant proposal for teaching farmers to dig holes with local materials.
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You can't justify consultant fees.
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You can't create ongoing dependencies that require perpetual funding.
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And even today, companies are trying to mechanize it.
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They are developing motorized zainers to dig the holes.
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Tools that cost money.
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Tools that require fuel.
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Tools that break.
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The original technique needs a shovel.
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That is it.
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This is how traditional knowledge gets erased.
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Not through malice.
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Through economics through the systematic privileging of techniques that generate profit over techniques that generate food.
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Yakuba Sawadogo said, If you stay in your own little corner,
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all your knowledge is of no use to humanity.
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So he taught anyone who would listen,
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for free, for 40 years.
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And you can do it too,
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if you have compacted soil,
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if you have dry land,
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if you have water runoff.
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This is the blueprint.
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Wait for the dry season.
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Dig a pit about 20-30 cm wide, or 8-12 inches.
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Go about 6 inches deep.
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Put the soil you dig out on the downhill side of the pit.
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This creates a berm that catches water running down the slope.
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And here is the secret.
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Put a handful of compost or manure in the pit.
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It does not just fertilize the soil.
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It calls the termites.
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It invites the biology back into the dead earth.
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Wait for the rain.
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Then plant, corn, beans, trees.
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Whatever you need.
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The results are measurable.
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Soil moisture doubles.
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Roots go twice as deep.
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And once established, the pits stay productive for years.
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In year one, your yields jump.
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In year five, your water table rises.
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In year twenty, you have what Yacouba had,
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a forest where there was a desert.
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Yacouba's forest is called Bangar Raga.
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In the Mossi language, it means the forest of wisdom.
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It is still there today.
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You can see it on satellite images,
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a patch of deep green in an ocean of brown.
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His family is still fighting to protect it from developers who want to pave it over.
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But across Africa, millions of farmers are digging holes.
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Not because an aid agency paid them,
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but because one man proved it worked.
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A village elder once told Yacouba,
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A man who digs holes is as useful as a man who hangs himself.
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Forty years later, that madman's holes were feeding hundreds of thousands of people.
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They called him crazy.
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They burned his fields.
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They tried to bulldoze his forest.
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He kept digging anyway.
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Yakuba died in December 2023,
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but he left behind a map.
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He proved that the desert does not care about billions of dollars in aid or high-tech machinery.
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It only cares about water.
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And water, like truth, will always find a way through.
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Perhaps the most powerful act of resistance is remembering what they tried to make you forget.
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All you need is a shovel,
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some compost, and the willingness to dig when everyone else says you are insane.
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If this vault opened something for you,
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subscribe to Nature's Lost Vault.
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The next vault opens soon.
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背景とコンテキスト
このビデオでは、アフリカの貧しい国から来た農夫、ヤクーバ・サワドゴが紹介されています。彼は英語を話せず、アメリカの国会で飢餓を救う方法を提案するために登場します。ヤクーバは30年前、近隣の村人たちから狂人扱いされ、彼の畑に火をつけられるほどの困難な状況を経験しました。厳しい干ばつの中で、彼はスコップを手に土を掘り続け、最新農業技術が通用しない地域で成功を収める方法を見出しました。このビデオを通じて、彼の経験や農業の知恵を学ぶことができます。
日常会話のためのトップ5フレーズ
- お金をかけても解決できないことがある。 (There are things that money can't solve.)
- この土地を守るために戻ってきた。 (I came back to protect this land.)
- みんなが逃げる中、私は留まった。 (While everyone fled, I decided to stay.)
- 知識は力になる。 (Knowledge is power.)
- 私の方法は、何世代にもわたって試されてきた。 (My method has been tested for generations.)
段階的なシャドウイングガイド
このビデオを使った英語スピーキング練習のために、効果的なシャドウイングのテクニックを紹介します。特に、ヤクーバの言葉をじっくり聴き、発音や抑揚を模倣することで、実践的なコミュニケーション能力を高めることができます。
- ビデオを数回視聴する。 初めは内容を理解することが主な目的です。英語が難しくても、一度や二度は内容を聞くことで全体像がつかめます。
- セクションごとに分けてシャドウイングする。 各セクションを短くし、その後に続けて話す練習をします。こうすることで、特に難しい部分を克服しやすくなります。
- 発音とリズムに注意する。 ヤクーバの話し方を真似ることで、自然な英語のリズムを体得できます。
- 録音して自分の声を聞く。 自分の発音や話し方を録音して確認することで、改善点を見つけられます。
- 何度も繰り返す。 繰り返し練習することで、英語スピーキング練習が定着します。特に、同じフレーズを繰り返すことが効果的です。
この方法を通じて、IELTS スピーキング対策やYouTubeで英語学習を進めることができるほか、徐々に自信を持って英語を話せるようになります。さらに、shadowspeaksを活用し、スピーキング能力を向上させましょう！
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。