单词：ecological history
单词：ecological history 相关文章
Darwin's fabled isles, the Galapagos, are in need of a makeover. And removing invasive species of plants tops the to-do list for the islands restoration. But six species that were set to be exterminated have gotten a reprieve. Because a new study fin
Scientific American(十一)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Do you come from a country that has, let's say, a history of environmental disasters or conquests? Then your culture is probably tightit has strong soc
Scientific American(五)月
Do you come from a country that has let's say a history of environmental disaster or conquests, and your culture probably tight that has strong social norms and doesn't tolerate much deviance from this norms, and then your culture probably autocratic
Scientific American(五)月
Broadcast: Mar 21, 2003 Britain's military chief says coalition forces have seized Iraq's key southern oil facilities, apparently averting what could have been a major ecological disaster. British mil
VOA2003（上）-科技先知
A report by a number of leading conservation groups warns that unless prompt corrective measures are taken, the planet is heading toward an ecological credit crunch. For VOA, Tom Rivers reports from London. Cover of the Living Planet Report The repo
VOA标准英语2008年（十月）
Ecological Footprint Africas ecological footprint is getting bigger. The continents growing population is placing greater demand on its natural resources. A new report calls on African nations to adopt a more sustainable approach to development to en
VOA标准英语2012年(六月)