A study team of scientists has found that acid rain has caused extensive damage to forests in southwest China, especially Sichuan Province.The Maocaoba pine forest, located in Sichuan's Fengjie County...
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A study team of scientists has found that acid rain has caused extensive damage to forests in southwest China, especially Sichuan Province.The Maocaoba pine forest, located in Sichuan's Fengjie County...