Short article on dangers of deforestation

October 26, at 8: I'm 63 and haven't had a vaccination since I was a child except a tetanus several years ago. I got talked into that one after being bitten by a dog. I agree also that the Veterinaians are becoming as bad as MD's.

Short article on dangers of deforestation

But last fall, denial suddenly gave way to reluctant acceptance that the naysayers were right.

Short article on dangers of deforestation

Chinese officials staged a sudden about-face, acknowledging for the first time that the massive hydroelectric dam, sandwiched between breathtaking cliffs on the Yangtze River in central China, may be triggering landslides, altering entire ecosystems and causing other serious environmental problems—and, by extension, endangering the millions who live in its shadow.

When complete, the dam will generate 18, megawatts of power—eight times that of the U. But in September, the government official in charge of the project admitted that Three Gorges held "hidden dangers" that could breed disaster.

Among the damage wrought: Medical Center in Washington, D. Inhabited for several millennia, the Three Gorges region is now a major part of western China's development boom. To date, the government has ordered some 1. Chinese and foreign scientists, meanwhile, warned that the dam could endanger the area's remaining residents.

But their words fell on deaf ears.

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Harnessing the power of the Yangtze has been a goal since Nationalist leader Sun Yat-sen first proposed the idea in Mao Zedong, the father of China's communist revolution, rhapsodized the dam in a Short article on dangers of deforestation. The mega- project could not be realized in his lifetime, however, because the country's resources were exhausted by the economic failures of the Great Leap Forward in the late s and then the social upheaval of the Cultural Revolution from the mids a to the early s.

Four decades later, the government resuscitated Mao's plans. The first of the Yangtze's famed gorges—a collection of steep bluffs at a bend in the river—was determined to be the perfect site. In Junenine years after construction began, the state-owned China Yangtze Three Gorges Development Corporation CTGPC filled the reservoir with feet meters of water, the first of three increments in achieving the eventual depth of feet meters.

The result is a narrow lake miles kilometers long—60 miles 97 kilometers longer than Lake Superior—and 3, feet 1, meters wide, twice the width of the natural river channel. Scientists' early warnings came true just a month later, when around million cubic feet 20 million cubic meters of rock slid into the Qinggan River, just two miles three kilometers from where it flows into the Yangtze, spawning foot meter waves that claimed the lives of 14 people.

Despite the devastating results, the corporation three years later in September raised the water level further—to feet meters. Since then, the area has experienced a series of problems, including dozens of landslides along one mile kilometer stretch of riverbank. This past November, the ground gave out near the entrance to a railway tunnel in Badong County, near a tributary to the Three Gorges reservoir; 4, cubic yards 3, cubic meters of earth and rock tumbled onto a highway.

The landslide buried a bus, killing at least 30 people.

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Fan Xiao, a geologist at the Bureau of Geological Exploration and Exploitation of Mineral Resources in Sichuan province, near several Yangtze tributaries, says the landslides are directly linked to filling the reservoir.

Water first seeps into the loose soil at the base of the area's rocky cliffs, destabilizing the land and making it prone to slides. Then the reservoir water level fluctuates—engineers partially drain the reservoir in summer to accommodate flood waters and raise it again at the end of flood season to generate power—and the abrupt change in water pressure further disturbs the land.

That is apparently what happened to the 99 villagers of Miaohe, 10 miles 17 kilometers upstream of the Yangtze, who saw the land behind their homes split into a foot- meter- wide crack last year, soon after the reservoir water level was lowered for the summer floods.

Officials evacuated them to a mountain tunnel where they camped for three months.

Land reclamation - Wikipedia

One of the greatest fears is that the dam may trigger severe earthquakes, because the reservoir sits on two major faults: According to Fan, changing the water level strains them.

The largest earthen dam in the U. Seven years later, when the reservoir's water supply was restored to full capacity—after engineers lowered it feet 40 meters for maintenance—the area experienced an unusual series of earthquakes.

Geological Survey seismologists subsequently found a strong link between the quakes and the refilling of the reservoir.Half of the world's wetlands were lost last century.

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The extreme and irreparable vaccination dangers are finally coming to light. Dr. Sherri Tenpenny is a veteran in the battle to raise awareness of the threats posed to human health by the ongoing vaccination assault being forced on populations.

At a recent major public awareness event in Northern.

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