标签:老虎数量锐减 相关文章
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
Study: Undocumented Immigrants in US Reached Ten-Year Low On Tuesday, the Pew Research Center reported that the number of immigrants staying in the United States without permission fell to a ten-year low in 2016. Researchers used government data to s
Amnesty: Disturbing Rise in Executions Worldwide in 2015 大赦国际称2015年全世界处决人犯数量破纪录 LONDON More people were put to death in countries around the world last year than in any other year during the past quarter-century, A
Volunteers equipped with nothing more than digital cameras are taking part in an unusual bee hunt. 一些只带着数码相机的义工正在参与一项不寻常的环境研究。 It's part of an environmental study that has amateur photographers do
Experts Meet to Understand Decrease in Humpback Whales Off Hawaii Every winter, thousands of humpback whales migrate from Alaska to the warmer waters near the Hawaiian Islands. There, they have sex and give birth before making their return trip north
Ash: I can't seem to progress up the career ladder no matter how hard I try and I have been here for 2 years already! 我已经在这里工作2年了,似乎我怎么努力也没有晋升的机会。 Mindy: Well, have you thought of getting an MBA?
Kenya Counts Elephants From the Air 肯尼亚从空中清点大象数量 TSAVO, KENYA Kenya is conducting an aerial census of the elephant population in a national park that has been the scene of gruesome poaching incidents in the last year. An inten
Officials: Number of New Ebola Cases in W. Africa Declining 官员表示西非新埃博拉病例数量下降 WASHINGTON The good news from West Africa began trickling in last week. 上周从西非传来了好消息。 The Ebola coordinator at the Gui
全世界难民数量创新纪录 WASHINGTON The United Nations refugee agency says a record number of people worldwide have been displaced by war, violence and persecution and the number of people forced to flee their homes is rapidly growing. In a
Matt: Hey, Rachel, so do you read the newspaper these days? Rachel: Actually, no. I used to get a newspaper delivered and I didn't read it at all, so I cancelled it cause I was worried about wasting trees, and wasting paper and therefore trees. Matt:
Preecha Jiabyu used to take tourists on a rowboat to see the banks of the Mae Klong River aglow with thousands of fireflies. These days, all he sees are the fluorescent lights of hotels, restaurants and highway overpasses. The firefly populations hav