随着人们对环保的要求越来越高，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”热潮正在全球掀起。绿色旅馆美国已经建成了一批别具风格的绿色旅馆，其建筑材料有一半采用再生制造的铝。玻璃、钢等。旅馆内的用品尽量安全，如不含酸的信封、信纸，以植物油制 With the increasing demand for environmental protection, many countries have begun to pay attention to and vigorously develop environmental protection technologies and their products. An upsurge of “green building” is happening all over the world. Green Hotel The United States has built a number of stylish green hotels, and half of its building materials use recycled aluminum. Glass, steel, etc. The supplies in the hotel are as safe as possible, such as acid-free envelopes, letterheads, and vegetable oils.