单词：arctic treeline
单词：arctic treeline 相关文章
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell the latest about sea ice in the Arctic Ocean. We will also tell about an international competition involving so
VOA慢速英语2009年（十）月
At the top of the world, under the ice, lies a large number of natural resources. Gas, coal, uranium and other minerals, even diamonds, sit under the ice inside the Arctic Circle. As climate change pushes the cold and ice farther north each year, dis
2017年VOA慢速英语(八)月
Oil Giants Eye Arctic Reserves Last winter in the Arctic, the Russian tanker Renda carved its way to the remote Alaskan port of Nome. Not long ago this voyage - made in December and January - would have been impossible. The warming climate means thin
VOA标准英语2012年(九月)
The Arctic's Anti-Snowball Snowball Effect 北极的反雪球效应 Last Christmas, Santa Claus must have been loading his sleigh in a t-shirt and shorts. Temperatures at the North Pole crept up toward the freezing point when they should have been mi
2017年科学美国人(七)月
Moon and Jupiter 月球和木星 After traveling behind the sun for several months, the planet Jupiter is now visible again, just before sunup. Learn how to see Jupiter near the waning moon on Wednesday morning -- on today's Earth and Sky. JB: This is Ea
(科普英语)Earth and Sky
Sierra Treeline 山脊树林 Could global warming allow forests to expand into higher elevations than they have reached in more than a thousand years? Learn more about studying alpine treelines -- today on Earth and Sky. JB: This is Earth and Sky. The h
(科普英语)Earth and Sky
By Paul Sisco Washington 31 October 2007 A team of British explorers has announced they are going to the North Pole to measure the ice cap's thickness. The expedition, a collaboration of Cambridge University in Britain and a U.S. Navy oceanography sc
2007年VOA常速英语（十月）
By Kurt Achin Seoul 26 July 2007 South Korea says kidnappers who killed a South Korean hostage in Afghanistan will be held accountable for their actions. As family and friends of the victim mourn, South Korean negotiators are trying to save the lives
2007年VOA标准英语（七月）
Earths Arctic Ice Disappears, Scientists Study Nearest Exoplanet Each year, more ice disappears from the Arctic Ocean. A new study blames human activity for the loss. The damage is caused, the study says, by greenhouse gases coming from vehicles, air
2016年VOA慢速英语(十一)月
Dire Warnings Issued on Diminishing Arctic Ice Polar bears hunt seals from sea ice, but could drown if forced to swim long distances in open water. Satellite photos released by Americas space agency, NASA, illustrate the daunting threat to such bears
VOA标准英语2012年(九月)
Arctic Ice Melting Faster Than Predicted As government officials from eight Arctic nations - the United States, Russia, Canada, Sweden, Finland, Denmark, Norway and Iceland - prepare to meet in Greenland next week to discuss the challenges of climate
VOA标准英语2011年(五月)
STEVE INSKEEP, HOST: We have a kind of ghost story next. It's the backstory of a discovery. Three years ago on this program, we placed a phone call to the journalist Paul Watson. He was on an icebreaker, a ship in the Arctic with the aid of a helicop
2017年NPR美国国家公共电台3月
The Greenland High Arctic is a bare, sparse place. Rather than tall trees, it has tundraground hugging vegetationand rugged, Lord-of-the-Rings-style vistas. Well I don't know, it's not exactly New Zealand, but kind of similar landscape. Mikko Tiusane
2016年Scientific American(十)月
By Cynthia Kirk ENVIRONMENT REPORT - April 26, 2002: Arctic Refuge Drilling This is the VOA Special English ENVIRONMENT REPORT. The Democratic-controlled United States Senate has voted to block explor
健康与环境
By Paul Sisco Washington, DC 01 February 2008 Scientists know that the waters north of Greenland, around the Arctic Circle, significantly influence global weather patterns. But until recently, they only have been able to measure the region's deep oce
VOA常速英语2008年（二月）
By Paul Sisco Washington 09 January 2008 Recent satellite data from the U.S. Space agency NASA indicate that sea ice in the Arctic and Greenland is melting at a faster rate than previously projected. VOA's Paul Sisco has the story. Climate scientists
VOA标准英语2008年（一月）
As government officials from eight Arctic nations - the United States, Russia, Canada, Sweden, Finland, Denmark, Norway and Iceland - prepare to meet in Greenland next week to discuss the challenges of climate change, a report released May 4, 2011 un
英语新闻
REYKJAVIK, Aug. 18 (Xinhua) -- China will launch its first international Arctic cooperation and research institute in Shanghai, sources attending a Sino-Iceland workshop told reporters here. The workshop on Arctic studies was held Friday as part of t
英语新闻
U.S. Secretary of State Hillary Clinton is expected to join fellow foreign ministers from the eight-nation Arctic Council on Thursday in Greenland's capital, Nuuk, for a meeting on polar region issues, including the receding Arctic ice cap. The meeti
英语新闻
LULU GARCIA-NAVARRO, HOST: People who grew up in the Arctic have seen dramatic effects - the dramatic effects of climate change during their lifetimes. One example - the northernmost town in the United States used to have a coastline that was edged w
2018年NPR美国国家公共电台12月