碧水蓝天是大自然给我们的恩赐,我们尽情享受着这些,却全然不知道它们的珍贵。人类在埋头追逐更加丰厚的物质享受的进程中,不断制造出各种精妙奇特的化工产品,制造出越来越多的汽车,到处高楼林立,烟囱如雨后春笋,天上、地上、海面也日益拥挤。然而,我们没有关注到,随着工业化进程的加速,曾经的蓝天已逐渐失去原有的湛蓝,碧水也失去清澈透明,蓝天逐渐被雾霾侵蚀,碧水被五 Clear water blue sky is a gift from nature, we enjoy these, but do not know their precious. In the process of sinking their heads to chase more rich material enjoyment, people constantly create all kinds of exquisite and peculiar chemical products and make more and more cars. There are tall buildings and chimneys everywhere. Crowds of people are constantly crowded in the sky, the earth and the sea. However, we did not notice that with the acceleration of the industrialization process, once the blue sky has gradually lost its original blue, clear water has lost its clarity and transparency, and the blue sky has gradually been eroded by smog. Clear water has been eclipsed by five