2007年VOA标准英语-Massive International Polar Research Effort Beg

By Paul Sisco Washington 28 February 2007 watch International Polar Year Thursday, March 1st, is the official start of the International Polar Year. The international research and educational effort officially runs till March 2008. At least 50,000 s

2018年CRI Polar bears starve as Arctic sea ice melts

A new study has found that the Arctic's iconic polar bears are finding it harder to hunt for food due to melting sea ice caused by climate change, putting the species at a growing risk of extinction. Researchers from the United States Geological Surv

【英语时差8,16】昆虫和气候变化

Insects And Climate Change Its well known that big animals, like polar bears, are vulnerable to climate change. The Earth warms, polar ice melts, and the bears are out of luck. The same goes for tigers, sea lions, elephants. As the globe heats up and

国家地理:Polar Bears 北极熊

Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang

儿童英语小故事 57. Polar Bears Need Help

She worries a lot. She worries about polar bears. They are big, white bears. They live in the north. They need snow. They need ice. They need cold weather. There is too much pollution. Pollution heats up the Earth. Heat melts the ice. The ice is the

英语导读1000句[29]:Global Warming

Section 29 Global Warming Some people say the earth is getting warmer. They blame something called greenhouse gasses. The greenhouse gasses destroy the higher atmosphere that keeps our planet from get

与美国小学生一起学英文第6册 第5期:地球的气候

The Earth Climate 地球的气候 Climate describes the typical weather of some place. 气候描述的是某些地区的典型天气。 Location is one very important factor for climate, examples are oceans, mountains, rivers and so on. 地理位置是

2007年VOA标准英语-NASA Exploring Polar Ice Clouds

By Paul Sisco Washington 20 April 2007 NASA is preparing to launch a mission to the mesosphere, a region at the top of Earth's atmosphere where mysterious night shining clouds are formed. Little is known about the mesosphere, but its unique ice clou

2007年VOA标准英语-NASA Mission to Seek Polar Lights' Energy Sourc

By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north

2006年VOA标准英语-Melting of Earth’s Poles Confirmed

By Paul Sisco Washington, D.C. 24 November 2006 watch Polar Melting report 2007 is International Polar Year. It's an international effort to spur scientific research at the most forbidding places on Earth, primarily because many in science consider

Polar Explorer

BBC Learning English Weekender Polar Explorer Amber: Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to an interview with explorer, Rosie Stancer. In March, Rosie sets off on her latest expedition walki

VOA标准英语2013--Walk The Earth In Safety At 20

Walk The Earth In Safety At 20 Once the fighting ends, peace treaties are signed and armies disbanded, too often the world assumes that life in former conflict areas will soon return to normal. But in many countries, landmines and unexploded munition

2007年VOA标准英语-Unique US Military Operation Supports Science E

By Kane Farabaugh New York City 01 August 2007 During the Cold War, Greenland was a strategic location for the United States military to track and detect Soviet aircraft and ballistic missiles. The military established radar and tracking sites throug

英语听力：自然百科 行星旅行指南：火星 Mars—16

If we are looking for Martian bugs, we should search for life forms at least as tough and alien as this. Im looking at Mars in a point of view of a microbe. And as a microbe, I really need very, very tiny amount of water. I could probably live my ent

英语听力：自然百科 金星和水星旅行指南 Venus and Mercury-9

And its here in a freezer that Messenger will encounter another puzzle: can ice exist on a planet so close to the sun? It's only when the first radar observations to the surface of Mercury were obtained back in the 90s that it was discovered that Mer

中秋节的由来（双语）

Zhong Qiu Jie probably began as a harvest festival. The festival was later given a mythological flavor with legends of Chang-E, the beautiful lady in the moon. 中秋节最早可能是一个庆祝丰收的节日。后来，月宫里美丽的仙女嫦娥

英语读物《神奇树屋》 第十二册 Polar Bears Past Bedtime 05 You're It!

The dogs were barking wildly at two smallcreatures playing in the moonlight. Polar bear babies! cried Annie. One roly-poly cub leaped onto the other. Then theyboth rolled through the snow. Hi, little bears! Annie called. The cubs jumped up and shook

China's new polar icebreaker to launch in 2013

BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,

环球英语 — 222：Polar Bear Swimmer

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A tall man stands s

万物简史 第312期:地下的烈火(20)

We may be going through a reversal now. 我们现在也许正经历一次逆转。 The Earth's magnetic field has diminished by perhaps as much as 6 percent in the last century alone. 仅仅在过去的一个世纪里，地球的磁场就减弱了大约