The statistics are stark and alarming. Populations of mammals, of birds, of fish declines between 1970 and the year 2014 by 60 percent globally. And in fresh water, habitats, the figure is some 83 percent. And its no surprise that human activity is m

发表于:2018-12-08 / 阅读(45) / 评论(0) 分类 VOA标准英语2018年(十一月)

The World Wildlife Fund, an international conservation group, says more than two-thirds of the world's wildlife could be gone by the year 2020. The organization says there's already been a 58 percent decrease in the number of fish, mammals, birds and

发表于:2018-12-19 / 阅读(57) / 评论(0) 分类 CNN美国有线新闻2016年11月

Fences and Wildlife Dont Mix 围栏与野生动物不能共存 If you want to protect endangered species in the wild, dont fence them in. An article in the journal Science says fencing can actually harm both animals and ecosystems. Scientists at the

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 VOA标准英语2014年(四月)

Wildlife Foundation: Tens of Thousands of Elephants Killed Every Year 野生动物基金会称每年成千上万的大象死亡 August 12 is World Elephant Day. Its estimated there are 500,000 elephants remaining in Africa. Thats down from 1.2-millio

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2014年(八月)

Adria: So you said you're kind of a wilderness boy. What are your thoughts on encroachment? Is it a problem where you live? Shiloh: Yeah, I live up in the mountains, Adria. My home is above 3,000 meters, so I live at a very high altitude. It's--I liv

发表于:2019-01-25 / 阅读(65) / 评论(0) 分类 英语趣味课堂

Houston Sprawl Leaves Wildlife Stranded休斯敦扩张叶野生动物链 HOUSTON, TEXAS Houston, Texas, and its surrounding suburbs are growing fast and sprawling out into natural forest areas that are the habitat for many species of indigenous wildl

发表于:2019-02-01 / 阅读(47) / 评论(0) 分类 VOA常速英语2013年(八月)

Highway Crossings Protect Migrating Pronghorns--and Motorists Ever hear of the pronghorn antelope in the American west? Well, its not really an antelopeits actually more closely related to giraffes than to true antelopes. And the last known migration

发表于:2019-02-03 / 阅读(70) / 评论(0) 分类 2018年科学美国人10月

Topic1 China's airports and airlines lead the world in flight delays: US surveyChinese airports and airlines were the worst in the world for being on time last year, according to a US-based company that tracks air travel around the globe. Among the w

发表于:2019-03-05 / 阅读(165) / 评论(0) 分类 英语角-圆桌会议