ARI SHAPIRO, HOST: For decades, the Colorado River has fed growing cities from Denver to Los Angeles, and a lot of the produce in grocery stores across the country right now was grown with Colorado River water. Now with climate change and severe drou

发表于:2018-12-17 / 阅读(44) / 评论(0) 分类 2017年NPR美国国家公共电台1月

The end of winter comes late to the mountainous northwest of the United States, and in particular, it lingers in Yellowstone. The heart of Yellowstone is a high cold plateau, 8,000 / feet up, surround by the spires of the Rocky Mountains. After five

发表于:2019-01-05 / 阅读(30) / 评论(0) 分类 自然百科2012年

This mother bear's experience gives her family a good chance of survival until spring arrives. They will return again and again as the thaw releases more fish. On the warmer plains and valleys that surround the plateau, grazers are on the move. They

发表于:2019-01-05 / 阅读(39) / 评论(0) 分类 自然百科2012年

By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu

发表于:2019-01-10 / 阅读(62) / 评论(0) 分类 VOA标准英语2008年(五月)

AILSA CHANG, HOST: Scientists announced today that they have figured out the cause of an outbreak of Legionnaires' disease in Flint, Mich., a few years ago. Twelve people died. This was at the start of the city's water crisis. And the problem was a l

发表于:2019-01-16 / 阅读(63) / 评论(0) 分类 2018年NPR美国国家公共电台2月

ActaeonWhen she was tired with hunting Artemis used to take a bath in a little mountain spring.One hot summer afternoon she was playing in the cool,quiet water with her maidens when she heard a rustle behind the bushes .She felt quite angry to

发表于:2019-02-01 / 阅读(35) / 评论(0) 分类 阅读空间