终于，所有的井被下了毒，所有的河流载着污物流淌，所有的海洋死去；没有留下种植粮食的土地。
At last all Wells were poisoned, all rivers ran with filth, all seas were dead; there was no land left to grow food.
广大的土地和海洋有无限的资源可供利用，人类随心所欲的污染环境，而通过不断搬迁而逃避产生恶果。
Vast frontiers of land and ocean offered infinite resources. Humans could pollute freely, and they could avoid any local repercussions simply by moving elsewhere.
从最大的范围来看，大气、土地、海洋、地面冰雪都包括在内。
On the largest scales you have the atmosphere, the land, the ocean, snow and ice on the ground.
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