《中国少年儿童百科全书》是经国务院批准国家新闻出版署列入"1988—2000年全国辞书编写出版规划"项目。
《自然·环境》卷包括宇宙的演化，大地的变迁，生物的进化，动植物形态，人体构造等广泛领域，把大自然的一切，大到宇宙洪荒，小至微生物界的千变万化的奥妙和秘密、现象和本质、规律和变异、现在和将来，形象地展现在小读者面前，让他们从小领略大自然丰富多采的风貌、无穷复杂的变化，了解人类征服自然、改造环境的巨大进展，汲取有益的营养。
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