Building a Green Screen around Beijing

• 作者: QIUJIANGHONG
• 来源期刊: 今日中国：英文版
• 学科: 农学
• 关键词: 北京 沙尘暴 环境保护 绿化建设
• 年，卷（期）: jrzgywb_2003,（12）
• 页码范围: 23-24
• 页数: 2页
• 分类号: S731.2

摘要

<正> IN the past few years, Beijing's spring season has brought sand storms. In 2000 alone, 8 storms hit northern China. Gray skies meant limited visibility and because the air was so dusty, women wore gauze scarves when they went out. Most people avoided leaving their homes. In the spring of 2003, Beijing had no sand storms, the number of sunny