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VOA慢速英語(yǔ):太陽(yáng)能電廠(chǎng)引發(fā)環(huán)境擔(dān)憂(yōu)

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Solar Plant Raises Environment Concerns

By VOA

22 December, 2013

From VOA Learning English, this is the Technology Report.

The world's largest solar thermal plant is set to begin producing power in the United States by the end of the year. Wind and energy from the sun are generally considered clean, unlike energy from coal-burning power stations. However, environmentalists now worry that to much solar power development could harm the local environment.

Ivanpah Solar Power Facility Online

A California company -- BrightSource Energy is building a huge solar power plant in the Mojave desert, about 60 kilometers southwest of Las Vegas, Nevada. The plant is known as the Ivanpah Solar Electric Generating System. Joe Desmond works for the company.

"This is actually one of the highest concentrations of sunlight in the world, out here in Ivanpah," explained Desmond.

BrightSource Energy will deploy 170,000 specially designed mirrors to direct solar energy towards boilers on top of three power towers. The steam produced in the boilers will drive turbines to make electricity.

Joe Desmond says the steam can reach temperatures of more than 260 degrees Celsius.

"We can store the sun's thermal energy in the form of molten salt, so we can produce electricity even when the sun goes down. There is a lot of interest in concentrating solar power around the globe in environments where you have lots of sun, such as China, South Africa, the Middle East, North Africa," explained Desmond.

Environmentalists generally support the idea of solar power, however, many are concerned about the effect of power plants on sensitive environment.

Lisa Belenky is a lawyer with the Center for Biological Diversity, a private group. She says environmentalists are specifically worried about the effect of the Ivanpah Solar Project on the sensitive plant and animal life in that part of Mojave desert.

"Even though the desert seems big, when you start cutting it up, it can really affect how the species and the animals and the plants are able to survive in the long run," said Lisa Belenky.

BrightSource Energy has already spent more than $50 million to move endangered desert tortoises away from the power plant, but Lisa Belenky says this is not the answer.

"We should be reusing areas that have already been disturbed, [like] old mining sites, for example... either on homes, on businesses, parking lots," said Belenky.

There have also been reports of birds dying at the Ivanpah Plant and others like it. Some birds die after colliding with solar equipment which the animals mistake for water. Other birds were killed or suffered burns after flying through the intense heat at the solar thermal plant. As solar projects increase, environmentalists and developers are considering what to do to reduce bird death.

And that is the Technology Report from VOA Learning English. For more news about science and technology, visit our website at chinavoa.com. We are also on Facebook, YouTube, LinkedIn and Twitter at VOA Learning English. I'm June Simms.

From VOA Learning English, this is the Technology Report.

這里是美國(guó)之音慢速英語(yǔ)科技報(bào)道。

The world's largest solar thermal plant is set to begin producing power in the United States by the end of the year. Wind and energy from the sun are generally considered clean, unlike energy from coal-burning power stations. However, environmentalists now worry that to much solar power development could harm the local environment.

世界上最大的太陽(yáng)能熱電廠(chǎng)計(jì)劃于今年年底在美國(guó)開(kāi)始發(fā)電。風(fēng)能和太陽(yáng)能不像燃煤電廠(chǎng)產(chǎn)生的能源,它們通常被認(rèn)為是清潔能源。然而環(huán)保人士現(xiàn)在擔(dān)心太陽(yáng)能發(fā)電發(fā)展過(guò)快會(huì)損害當(dāng)?shù)丨h(huán)境。

A California company -- BrightSource Energy is building a huge solar power plant in the Mojave desert, about 60 kilometers southwest of Las Vegas, Nevada. The plant is known as the Ivanpah Solar Electric Generating System. Joe Desmond works for the company.

加州的亮源公司(BrightSource)正在內(nèi)華達(dá)州拉斯維加斯市西南60公里左右的莫哈韋沙漠修建一個(gè)巨大的太陽(yáng)能發(fā)電廠(chǎng)。該電廠(chǎng)被稱(chēng)為艾文帕太陽(yáng)能發(fā)電系統(tǒng)。喬·德斯蒙德(Joe Desmond)就職于該公司。

"This is actually one of the highest concentrations of sunlight in the world, out here in Ivanpah," explained Desmond.

德斯蒙德解釋說(shuō),“這里是全球太陽(yáng)能最集中的地區(qū)之一。”

BrightSource Energy will deploy 170,000 specially designed mirrors to direct solar energy towards boilers on top of three power towers. The steam produced in the boilers will drive turbines to make electricity.

亮源能源公司將在這里部署170萬(wàn)組特制的反射鏡,將太陽(yáng)能反射到三個(gè)發(fā)電塔頂部的鍋爐上,鍋爐產(chǎn)生的蒸汽將推動(dòng)渦輪機(jī)發(fā)電。

Joe Desmond says the steam can reach temperatures of more than 260 degrees Celsius.

德斯蒙德表示,蒸汽的溫度能夠達(dá)到攝氏260度。

"We can store the sun's thermal energy in the form of molten salt, so we can produce electricity even when the sun goes down. There is a lot of interest in concentrating solar power around the globe in environments where you have lots of sun, such as China, South Africa, the Middle East, North Africa," explained Desmond.

德斯蒙德解釋說(shuō),“我們能夠?qū)⑻?yáng)的熱能以熔融鹽的形式儲(chǔ)存起來(lái),這樣即使太陽(yáng)下山時(shí)我們也能發(fā)電。全球陽(yáng)光充足的地方對(duì)聚光太陽(yáng)能都有濃厚興趣,如中國(guó)、南非、中東和北非。”

Environmentalists generally support the idea of solar power, however, many are concerned about the effect of power plants on sensitive environment.

環(huán)保人士通常支持太陽(yáng)能發(fā)電的想法,然而,許多人都擔(dān)心太陽(yáng)能電廠(chǎng)對(duì)敏感環(huán)境的影響。

Lisa Belenky is a lawyer with the Center for Biological Diversity, a private group. She says environmentalists are specifically worried about the effect of the Ivanpah Solar Project on the sensitive plant and animal life in that part of Mojave desert.

麗莎·貝蘭奇(Lisa Belenky)是生物多樣性研究中心的一名律師,這是一家私營(yíng)組織。她說(shuō),環(huán)保人士尤其擔(dān)心艾文帕太陽(yáng)能項(xiàng)目對(duì)莫哈韋沙漠該地區(qū)敏感植物和動(dòng)物的影響。

"Even though the desert seems big, when you start cutting it up, it can really affect how the species and the animals and the plants are able to survive in the long run," said Lisa Belenky.

貝蘭奇表示,“即使沙漠看起來(lái)很大,當(dāng)你將它分割開(kāi)來(lái),就會(huì)確實(shí)影響到各物種和動(dòng)、植物的長(zhǎng)久生存。”

BrightSource Energy has already spent more than $50 million to move endangered desert tortoises away from the power plant, but Lisa Belenky says this is not the answer.

亮源能源公司已經(jīng)花費(fèi)5千多萬(wàn)美元將瀕危沙漠龜從電廠(chǎng)遷走,但貝蘭奇表示,這不是解決之道。

"We should be reusing areas that have already been disturbed, [like] old mining sites, for example... either on homes, on businesses, parking lots," said Belenky.

貝蘭奇說(shuō),“我們應(yīng)該重新利用已經(jīng)被擾亂的地方,像舊煤礦礦區(qū)。”

There have also been reports of birds dying at the Ivanpah Plant and others like it. Some birds die after colliding with solar equipment which the animals mistake for water. Other birds were killed or suffered burns after flying through the intense heat at the solar thermal plant. As solar projects increase, environmentalists and developers are considering what to do to reduce bird death.

已經(jīng)有報(bào)道稱(chēng)鳥(niǎo)類(lèi)在艾文帕電廠(chǎng)及類(lèi)似地區(qū)死亡。有些鳥(niǎo)撞上它們誤以為是水的太陽(yáng)能裝置而死亡,還有些鳥(niǎo)在飛越太陽(yáng)能熱電廠(chǎng)的高溫區(qū)域后死亡或被燒傷。隨著太陽(yáng)能項(xiàng)目的增加,環(huán)保人士和開(kāi)發(fā)商都在考慮怎樣減少鳥(niǎo)類(lèi)死亡。

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