AS IT IS 2015-08-03 Sri Lanka to Use Wasted Rainwater for Crops, Power 斯里兰卡建新水资源管理系统用于农业灌溉 Sri Lanka plans to store and use a billion cubic meters of rainwater each year to support irrigation and power generation

发表于:2018-12-16 / 阅读(35) / 评论(0) 分类 2015年VOA慢速英语(八)月

DAVID GREENE, HOST: This summer, a record-setting dead zone has appeared in the Gulf of Mexico. This is a zone where water does not have enough oxygen for fish to survive. One major cause of this is pollution from farms. And this has provoked a debat

发表于:2018-12-17 / 阅读(25) / 评论(0) 分类 2017年NPR美国国家公共电台8月

Every spring, the Mississippi River dumps tens of thousands of tons of nutrient runoff into the Gulf of Mexico. Add temperature, current and wind to that pollution, and you have the Western Hemisphere's largest stretch of oxygen-poor watersa so-calle

发表于:2019-01-20 / 阅读(81) / 评论(0) 分类 2017年Scientific American(二)月

WUHAN/SHENYANG/BEIJING, Aug. 6 (Xinhua) -- Twenty-three people have been confirmed dead and nine others remained missing after typhoons Damrey and Saola tore through China's eastern coastal regions over the weekend, local authorities said Monday. As

发表于:2019-02-08 / 阅读(27) / 评论(0) 分类 英语新闻

ARI SHAPIRO, HOST: Summer on the Chesapeake Bay is in full swing. (SOUNDBITE OF BOAT ENGINE IGNITION) SHAPIRO: We're in Maryland. We came here to find out what decades of work and hundreds of millions of dollars have done to clean up this body of wat

发表于:2019-02-13 / 阅读(43) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Every spring, the Mississippi River dumps tens of thousands of tons of nutrient runoff into the Gulf of Mexico. Add temperature, current and wind to that pollution, and you have the Western Hemisphere's largest stretch of oxygen-poor watersa so-calle

发表于:2019-02-14 / 阅读(94) / 评论(0) 分类 2017年Scientific American(二)月