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Losing Glaciers Will Hurt Tourism and Power Supplies

作者:Dan Friedell 发布日期:11-13-2021

As worldwide temperatures continue to rise, thick sheets of ice called glaciers are going away. Some are melting, while others are evaporating.

This will hurt the people and nations that depend on glaciers. They provide water for hydroelectric power. They bring in visitors – and money from visitors. And their layers of ice keep a record of climate history. In some places, people consider the ice on top of distant mountains to be representations of spirits.

The melting ice means trouble for people in Africa, Europe, South America and Indonesia.

The Rwenzori Mountains in Africa are on the border of Uganda and the Democratic Republic of the Congo. There once were 40 glaciers but less than half remained by 2005. Experts believe all the glaciers in the Rwenzori Mountains will be gone in 20 years.

Richard Taylor is a professor who studies hydrogeology at University College in London. He said Uganda will have trouble if the water does not flow as usual. Uganda depends on the melting ice for hydroelectric power.

In Tanzania, Mount Kilimanjaro has lost about 90 percent of its ice. Some of the ice turns directly into water vapor and does not produce any water as it goes away.

People are worried that the lack of ice and snow on the mountain will mean fewer visitors. Tourists made up about 10 percent of Tanzania's economic output in 2019.

Rainer Prinz studies glaciers at the University of Innsbruck in Austria. He said people in Tanzania see the snow and ice on top of the mountains as "the seat of god. It has a very spiritual meaning," he said. Prinz added that the loss of glaciers might also affect the religious beliefs of the people who live near the mountain.

In Europe, on the border of Germany and Austria, less than half a square kilometer of ice remains on five glaciers combined. Scientists estimate that is an 88 percent loss compared to 1850.

Christoph Mayer is a scientist at the Bavarian Academy of Sciences and Humanities in Munich, Germany. He believes the economy will be hurt when travel companies can no longer tell visitors they can see and walk on high mountains with glaciers.

"People living around these regions really live from tourism ... there will be an impact on them if they lose these glaciers," Mayer said.

Scientists are also concerned about the loss of history as glaciers melt.

R. Dwi Susanto is an oceanographer, or ocean scientist. During a 2010 visit to the Carstensz glacier in Indonesia, he took samples from the ice. But the samples only let scientists examine climate records dating back to the 1960s.

He said the loss of the glacial ice is "sad because it's not only a loss of local or national heritage for Indonesia, but this is also the loss of climate heritage for the world."

Disappearing glaciers are also a problem in South America. Scientists are concerned that the Humboldt Glacier in Venezuela could be gone in 20 years. They are studying what is happening to the land around the glacier.

The scientists want to be able to warn other communities that still depend on large glaciers for water and power.

Lauren Vargo studies glaciers for the Antarctic Research Center in Wellington, New Zealand. She said losing glaciers will badly hurt Peru, which depends on melting ice as a water source. Peru already lost about 30 percent of its glaciers between 2000 and 2016.

Mayer, the scientist in Germany, said losing the glaciers will affect more than just the local communities. It will cause problems around the world – from higher sea levels to changes in usual weather.

He said losing the glaciers "is really a warning sign of what is coming in the future."

I'm Dan Friedell.

Dan Friedell adapted this story for Learning English based on a report by The Associated Press. Ashley Thompson was the editor.

Words in This Story

tourist – n. a person who travels to a place for pleasure

region – n. a part of a country, of the world, etc., that is different or separate from other parts in some way

impact – n. a powerful or major influence or effect

sample – n. a small amount of something that gives you information about the thing it was taken from

heritage – n. the traditions, achievements, beliefs, etc., that are part of the history of a group or nation -- usually singular

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