问题：
地球孕育了生命，地球是人类的摇篮，但21世纪地球生态环境问题日益严峻。人类为了眼前的经济利益破坏性地利用自然：乱砍乱伐导致森林破坏，水土流失；过度耕种放牧导致土地沙化，沙尘肆虐；过度消费加剧空气污染，物种退化。
结合材料运用联系的观点分析生态问题。
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地球孕育了生命，地球是人类的摇篮，但21世纪地球生态环境问题日益严峻。人类为了眼前的经济利益破坏性地利用自然：乱砍乱伐导致森林破坏，水土流失；过度耕种放牧导致土地沙化，沙尘肆虐；过度消费加剧空气污染，物种退化。
结合材料运用联系的观点分析生态问题。
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结合材料运用联系的观点分析生态问题。
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参考答案：