标签：degradation 相关文章
旱灾预警无动于衷致旱灾波及非洲百姓 Experts say there was plenty of warning that the Horn of Africa was likely to experience severedrought. Nevertheless, millions of people are now at risk. Scientific experts have been sayingfor years
VOA标准英语2016年(七月)
Slow Progress on Curbing Deforestation Expected at Climate Conference In Indonesia, a moratorium on new forest development appears to have little effect as farmers and large companies continue cutting down trees for timber, then burning off the land
VOA标准英语2012年(十二月)
New Concrete Recipes Could Cut Cracks能够对抗公路裂化的新型混凝土配方 There's a stretch of highway in Pennsylvania, along U.S. 422. And like every probably 20 feet you see a big pothole or cracking at the joint. Like everywhere. It wa
2017年科学美国人(五)月
During the last ice age, rapid swings in temperature occurred within decades or less, meaning populations of organisms had to adjust quickly to new environments or face extinction. 在最后一个冰河世纪中，温度在数十年甚至更短的时间
初学者听力文摘精选
Running a series called African American Lives. Its hosted by historian Henry Lewis Gates, and profiles prominent African Americans who trace their lineage back to Africa using DNA analysis. Commentator John McWhorter says he doesn't need a DNA mout
2006年NPR美国国家公共电台
By Nico Colombant Niger Delta, Nigeria 24 May 2007 Environmental awareness is growing in Nigeria's oil-rich Niger Delta, as well as anger over spills and drastic changes to the region's ecosystem. VOA's Nico Colombant reports from the towns of Ikaram
2007年VOA标准英语（五月）
By Nico Colombant Ogoniland, Nigeria 26 May 2007 Market women share anti-oil company feelings In Nigeria's oil-rich Niger Delta, one area, Ogoniland in Rivers State, resists oil production. Residents there say oil companies refuse to meet their deman
2007年VOA标准英语（五月）
By Lisa Schlein Geneva 20 January 2006 The U.N. Refugee Agency, UNHCR, says the death this week of 20 Africans smuggled on a boat heading for Yemen underscores the urgent need for international action
2006年VOA标准英语（一月）
Scientists and environmentalists have stepped up efforts to save what is left of Borneo's rain forests and wilderness areas. New research suggests carbon trading could offer the next solution. Experts calls on Indonesia, Malaysia protect the natural
VOA标准英语2009年(六月)
Hunger Remains Serious Global Problem The 2012 Global Hunger Index says hunger remains a serious problem worldwide, with alarming levels in some countries. The Index links hunger to the unsustainable use of land, water and energy resources. The Globa
VOA标准英语2012年(十月)
Kenyan Farmers Turn to New Breeds to Withstand Climate Change 肯尼亚农民种植新作物应对气候变化 NAIROBI Kenyan farmers over the years have often seen their crops wiped out by either floods or drought, causing poverty and soil degradati
VOA常速英语2013年(十月)
By Anjana Pasricha New Delhi 20 March 2007 Bangladeshi woman clean dirty polythene shopping bags in polluted waters of Buriganga river in Dhaka, 19 Mar 2007 The World Wide Fund for Nature says some of the world's mightiest rivers are dying, threateni
2007年VOA标准英语（三月）
By Chad Bouchard Bali 05 December 2007 Environmental experts at the United Nations Climate Change Conference in Bali say illegal logging is decimating tropical forests and contributing to rising global temperatures. Chad Bouchard reports from the con
VOA常速英语2007年（十二月）
By Nancy Palus Dakar 20 March 2008 The effects of climate change are increasingly driving people in sub-Saharan Africa to migrate in search of better living conditions, according to experts who gathered this week in the Senegalese capital, Dakar. Nan
VOA标准英语2008年（三月）
The U.N. refugee agency's annual conference opens in Geneva on Monday. Representatives from the UNHCR's 76-nation governing body will attend the week-long meeting to set the work agenda for the coming year. They will focus on the needs and actions t
VOA标准英语2008年（十月）
By Ron Corben Bangkok 01 October 2009 A new report calls on industrialized countries to ensure financial support to efforts to conserve and manage forests. The report says indigenous people in Asia should play a key role in forestry, to help reduce
VOA标准英语2009年(十月)
By Gilbert da Costa Abuja 15 October 2009 Nigerian President Umaru Yar'Adua (file photo) Nigerian President Umaru Yar'Adua has declared the conflict that plagued the oil producing Niger Delta has ended after a recent amnesty for rebels in the region
VOA标准英语2009年(十月)
By Alisha Ryu Nairobi 16 October 2009 UNEP's 'Assessing Biofuels' report cover A new report by the United Nations Environment Program says developing biofuels as a green energy option is beneficial only when countries adopt a sophisticated approach.
VOA标准英语2009年(十月)
By Sabina Castelfranco Rome 16 October 2009 Fisherman rows canoe on Lake Chad (Nov 2006 file photo) The Food and Agriculture Organization held a special event Friday to raise awareness and mobilize funds to save Lake Chad, which was once one of the
VOA标准英语2009年(十月)
The U.N. refugee agency's annual conference opens in Geneva on Monday. Representatives from the UNHCR's 76-nation governing body will attend the week-long meeting to set the work agenda for the coming year. They will focus on the needs and actions to
VOA双语新闻 2008年10月