大自然是神奇的,给人类提供了宝贵的生命资源;人类却不断破坏,使大自然伤痕累累。河流失去了清澈,青山变得光秃秃,楼房多了耕地却少了……人类在改造自然的同时,却淡漠了保护意识,最终给自己带来了不便。其实,大自然有着无穷的能量,我们要敬畏它,遵循生命规律,让生活变得更美好!【个案一】气候变化可导致土壤养分失衡美国北亚利桑那大学的研究人员发现,在气候变化的影响下,世界上的干旱地区变得更加干燥,水将不是唯一短缺资 Nature is magical, providing humankind with valuable life resources; humankind constantly destroys and scarred nature. The river has lost its clearness, the green hills have become bald, and there has been less cultivated land in buildings. While mankind is transforming nature, it indifferently protects himself and eventually brings himself inconvenience. In fact, nature has an infinite energy, we must fear it, follow the laws of life, make life better! 【Case 1】 Climate change can lead to imbalance of soil nutrients North American University of Arizona researchers found that the impact of climate change Under the conditions that the arid regions of the world will become drier, water will not be the only shortfall