标签：Wetlands 相关文章
Wetlands Could Save Cities--and Money, Too 湿地不仅能保护人类还能替人类省钱 As Houston begins recovery efforts from Hurricane Harvey, a new storm threatHurricane Irmais barreling west towards the Caribbean and Florida. We have few def
2017年Scientific American(九)月
World Wetlands Day (WWD) occurs on the 2nd of February each year. It marks the date of the signing of the International Convention on Wetlands in 1971 in Ramsar, Iran. WWD started in 1997. It aims to raise awareness of the value of wetlands around th
英语课程学习计划和讲义
Yes,that's right,they've already seen in some parts of the wetlands here,the more remote islands that some of that sheen on top of the water is coming ashore and affecting some of the islands on the uttermost parts of wetlands.The real fear is that h
万花筒2010年
Protecting Wetlands, Protecting Lives 保护湿地,保护生命 Well over 600 million people around the world depend on wetlands for their livelihoods, such as fishing or farming. Yet experts say since 1900, 64 percent of wetlands have disappeared an
VOA标准英语2015年(六月)
保护湿地就是保护生命 Well over 600 million people around the world depend on wetlands for their livelihoods,such as fishing or farming. 全世界超过6亿人依靠湿地带来的渔业或农业维持生计。 Yet experts say since 1900,64
VOA标准英语2015年(十一月)
干旱与战火威胁伊拉克湿地 Iraq's southern wetlands are in crisis. These areas are the spawning ground for Gulf fisheries, a resting place for migrating wildfowl, and the source of livelihood for fishermen and herders who have called the ma
VOA双语新闻 2015年9月
World Wetlands Day (WWD) occurs on the 2nd of February each year. It marks the date of the signing of the International Convention on Wetlands in 1971 in Ramsar, Iran. WWD started in 1997. It aims to raise awareness of the value of wetlands around th
世界节假日博览
Broadcast: Apr 04, 2003 The war in Iraq is taking place around the Tigris and 2) Euphrates Rivers, what 3) archaeologists call the cradle of Western civilization. The historic rivers flow into the Mes
VOA2003（上）-科技先知
Scott Stearns President Bush marked Earth Day with a new program to better protect American wetlands. The president's presumptive Democratic challenger, Massachusetts Senator John Kerry said that Mr.
VOA2004（上）--各类新闻
AS IT IS 2015-06-09 Conference Urges Protection of Wetlands Hundreds of millions of people around the world depend on wetlands for their livelihoods, such as fishing or farming. However, since 1900, experts say 64 percent of wetlands have disappeared
2015年VOA慢速英语(六)月
Environmentalists Worry about Zimbabwe Wetlands 环保人士忧心津巴布韦湿地遭破坏 Environmentalists in Zimbabwe are concerned about the building of shopping malls and housing on wetlands. They say the development will affect water supplie
2015年VOA慢速英语(九)月
Environmental groups are praising a decision by the U.S. state of Florida to buy a vast tract of farmland to restore the Everglades wetlands. In Miami, VOA's Brian Wagner reports the deal aims to control water pollution and ensure fresh water suppli
VOA标准英语2008年（六月）
GWEN IFILL: Next: The coast of Louisiana is crumbling into the Gulf of Mexico at an alarming rate. Over the last 80 years, it's lost nearly 2,000 square miles. That's as big as all of Rhode Island. Now a political fight has broken out in the state le
PBS访谈社会系列
The world's wetlands, threatened by development, dehydration and climate change, could release a planet-warming carbon bomb if they are destroyed, ecological scientists said. Wetlands contain 771 billion tons of greenhouse gases, one-fifth of all the
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