随着人们对环境要求的呼声越来越高，许多国家开始重视和大力开发环保技术及其产品，一股“绿色建筑”热正在全球悄然兴起。绿色旅馆美国建成了一批别具风格的绿色旅馆，其建筑材料有一半取自再生制造的铝、玻璃、钢等。旅馆内的用品尽量“安全”，如不含酸的信封、信纸，... As people’s voices on environmental requirements have become louder and louder, many countries have begun to attach importance to and vigorously develop environmental protection technologies and their products. An “green building” fever is quietly rising around the world. Green Hotel The United States has built a number of stylish green hotels. Half of its construction materials are derived from recycled aluminum, glass, and steel. The supplies inside the hotel are as safe as possible, such as acid-free envelopes, stationery,...