01 北极熊，为什么你的世界在融化？
每年夏天，有越来越多的北极冰融化，这已经影响到了北极熊的生存。那么北极冰为什么会融化呢？这都要从地球的“温室效应”说起…… 此书通过聚焦北极熊生活环境的变化来阐述“温室效应”以及“温室气体”如何改变着地球的气候规律。在传达给小朋友许多与气候相关的知识以外，还鼓励我们建立健康环保的生活方式，来保护我们大家的生活环境。
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