PBS高端访谈:横跨美国的日全食让天文学家疯狂

People gathered across the country for a historic event today, a total eclipse of the sun in a 70 mile- wide band, crossing from the Pacific to the Atlantic coasts. With special eyeglasses or homemade boxes, tens of millions looked to the sky to witn

发表于:2018-12-05 / 阅读(69) / 评论(0) 分类 PBS访谈环境系列

PBS高端访谈:哈维飓风淹没的有毒废物场所将接受调查

Houston is an industrial city, central to the nation's oil and gas industry, and home to one of the busiest ports in the country. It's also home to more than a dozen of the 41 superfund sites in Texas. Those are areas contaminated with toxic waste th

发表于:2018-12-05 / 阅读(173) / 评论(0) 分类 PBS访谈环境系列
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