Causes and solutions remain in dispute Michael Bowman | Washington, DC 01 December 2009 Droughts, floods, hurricanes, typhoons, retreating glaciers, and melting polar ice caps are just some of the occurrences scientists say are becoming more common a

发表于:2018-12-16 / 阅读(33) / 评论(0) 分类 VOA标准英语2009年(十二月)

Group of Eight leaders in Japan set a goal to cut global carbon emissions by at least half by 2050. Developing countries say rich nations have to take the lead. Transcript of radio broadcast: 11 July 2008 This is IN THE NEWS in VOA Special English.

发表于:2019-01-11 / 阅读(52) / 评论(0) 分类 VOA慢速英语2008年(七)月

With three days remaining at the Copenhagen climate talks, India's government is expressing its disappointment with the proposals put forth so far. Steve Herman | New Delhi 16 December 2009 Indian Foreign Secretary Nirupama Rao (file photo) Officials

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2009年(十二月)

New research suggests ayahuasca, a jungle vine found in the Peruvian rainforest, can have a powerful effect on the human central nervous system when brewed with other plants. Researchers say one of ayahuasca's most promising uses could be in treating

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2010年(三月)

GUY RAZ, HOST: So when it comes to rethinking education, sure, more inspired curricula could help and, of course, so could better technology. And, of course, flipping the classroom structure could be transformational. But what about when school is th

发表于:2019-01-16 / 阅读(42) / 评论(0) 分类 2017年NPR美国国家公共电台8月

As climate negotiators meet in Copenhagen, Denmark, many scientists say that farmers around the world will have to adjust to more extreme temperatures, droughts and floods as a result of global warming. But in the United States, the nation's largest

发表于:2019-02-03 / 阅读(55) / 评论(0) 分类 VOA标准英语2009年(十二月)