向危机宣战──记人造木发明人曹双边胡德祥（一）地球在频频告急：森林被大肆砍伐，植被遭到严重破坏，建房、修路在蚕食着有限的土地资源。自然界正急剧地滑向失衡的深渊。资源危机在一步一步向人类紧逼过来！１９９２年，１５０个国家和地区的政府首脑汇聚里约市，探讨... Declare war on the crisis ─ ─ remember the inventor of artificial wood Cao bilateral Doude (a) Earth emergency: the forest was severely felling, vegetation was severely damaged, building a house, road building in the erode of limited land resources. Nature is rapidly sliding into the abyss of imbalance. Resource crisis step by step to the human press! In 1992, the heads of government from 150 countries and regions came together to discuss Rio ...