搜索结果: 1-1 共查到“地球科学其他学科 Earth Week”相关记录1条 . 查询时间(0.052 秒)
Drought left 225 million trees dead in the U.S. Southwest in 2002. Nine years later, it killed 300 million trees in Texas. This past year, 12 million trees died in California.Drought left 225 million ...