闭上眼睛深呼吸,是那甜甜的空气吗?仰望天空,是那蔚蓝如海的颜色吗?你还敢掬起一捧水,浅尝它的甘甜吗?这些本是最自然的东西现在却渐渐离我们远去。我们眼见的、耳闻的、亲身感受到的是无处不在、“难以下咽”的空气,北方地区爆发得日益频繁的沙尘暴,南方沿海的赤潮以及越来越贫乏的水资源……在地球上生活的人类,都不得不面对这样一 Close your eyes and take a deep breath, is that sweet air? Looking up to the sky, is that blue sea color? Do you dare to lift a handful of water, taste it sweet? These are the most natural things are now gradually Stay away from us. What we saw, heard, and personally experienced the air everywhere, the hard-to-swallow, the increasingly frequent dust storms in northern China, the red tides along the southern coast, and the increasingly poor water resources ... People living on earth have to face such a