英语听力：自然百科 古巴环保行动

It's an island known for its rich cultural history and environmental treasures but human activities such as tourism and deforestation threaten some of Cubas key habitats, which is why the World Wildlife Funds Julia Langer collaborates with local part

VOA慢速英语 2007 0327a

This the VOA Special English Agriculture Report. It can be hard to decide which foods to buy in an American grocery store these days. The information on many products makes different claims. These labels suggest that the food is safe, pure or kind t

国家地理-2008-10-20 墨西哥湖泊与生命的启示

Transcript by myconsent (for reference only) The small town of Cuatro Cienegas in northern Mexico is an oasis ( 绿洲 ) in the Chihuahuan desert. It s a valley that holds an example of what some believe is the one of the first human footprints in the

国家地理-2008-08-23 沼泽国家公园

The Florida Everglades are home to alligators, dozens of bird species, beautiful flowers and exotic plants. It's easy to see what attracts people to these places. But Florida's population growth, coupled with farms that require a never-ending supply

PBS高端访谈:气候变化对大堡礁造成致命威胁

JUDY WOODRUFF: The Great Barrier Reef along the coast of Australia is considered one of the greatest natural wonders of the world. It actually consists of more than 2,900 smaller reefs and 900 islands and countless species of fish. But its health and

万物简史 第404期:浩瀚的海洋(23)

As of 1995, some 37,000 industrial-sized fishing ships, plus about a million smaller boats, 到1995年，世界上大约有37000越工业规模的渔船，加上大约100万条小型渔船。 were between them taking twice as many fish from the sea a

火山喷发中,古时代的南非人没有受伤害

Ancient People in South Africa Unharmed by Volcanic Eruption About 74,000 years ago, the Mount Toba volcano erupted on what is now the Indonesian island of Sumatra. The eruption caused a worldwide environmental disaster. It may have destroyed ancient

科学家根据海洋的颜色测量其健康度

Scientists Measure Ocean Health by Its Color 科学家根据海洋的颜色测量其健康度 You wouldn't order phytoplankton from a menu, but these microscopic green algae are an important food. The

海洋生物大量减少在未来只能提供更少的食物

Fewer Creatures in Future Oceans Could Provide Less Food 海洋生物大量减少在未来只能提供更少的食物 Warming oceans will cause big changes in the biodiversity of sea life. That is a finding from the largest study ever of marine plant

VOA慢速英语2016--More Surprises from the Deep Sea

More Surprises from the Deep Sea Researchers hired to study part of the deep sea floor of the Pacific Ocean found a surprising number of new animal species. Scientists at the University of Hawaii at Manoa studied a 900-square-kilometer area in the ea

VOA标准英语2010年-Conservation Groups in Coastal Kenya W

Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata

雅思剑11 必备词汇--Test1

剑桥雅思11出版后，很多同学都争抢做这本书感受最新的命题趋势。同学们在做剑11 听力的时候发现录音语速的确变快，填空题数量增加。下面雅思频道就为同学们整理剑11听力中出现的词汇汇

英语听力：自然百科 澳洲海龟

Moreton Bay, on the eastern coast of Australia, is always a rich and diverse ecosystem. Beds of sea grass stretch over miles, providing the foundation for fish, marine mammals and some truly ancient mariners（海员）. Protected areas, like Moreton

【英语语言学习】保护鲸鱼

In the 1600s, there were so many right whales in Cape Cod Bay off the east coast of the U.S. that apparently you could walk across their backs from one end of the bay to the other. Today, they number in the hundreds, and they're endangered. Like them

中国海平面去年上升38毫米 创30年来最高

A report released last Wednesday by China's State Oceanic Administration warned that sea levels monitored last year reached the highest level since 1980. 中国国家海洋局上周三发布的一份报告警告称，去年监测的我国海平面高度

Decline of Big Fish Upsets Ocean Balance

By 2050, small fish could dominate(控制支配) the oceans because of the rapid decline of larger, predator fish. In a new report, the U.N. Food and Agriculture Organization finds that one-third of the worlds fisheries are overexploited, depleted or

2006年VOA标准英语-Bush Creates World's Largest Marine Reserve

By Scott Stearns White House 15 June 2006 President Bush has created the world's largest marine reserve. Mr. Bush acted to protect an area of the Pacific Ocean that is roughly the size of California. More than 7,000 species of marine life live in a

VOA标准英语2010年-Citizen Growers Become Oyster Caretake

In 2008, on a private pier on the Tred Avon River, Maryland Gov. Martin O'Malley kicked off an effort to get property owners along state rivers to become caretakers for oysters. The Marylanders Grow Oysters program began with 250 families and has exp

万物简史 第406期:浩瀚的海洋(25)

Biologists, according to the New York Times, 据《纽约时报》说：生物学家们估计， estimate that 90 percent of lobsters are caught within a year after they reach the legal minimum size at about age six. 大龙虾大约在6岁达到法定的

雅思考试大作文范文：人口与环境

A rise in the world's population is having serious, negative effects on the environment. Some scientists believe that the only way to solve the problem is to set up a colony on the Moon. Others argue that the cost would be far too great and other sol