1.0planet forward//www.getitdoneaz.comminnesota 2020//www.getitdoneaz.com/author/mn2020/mn2020: citizen water testers in action - planet forward - 克罗地亚vs加拿大让球
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the 1972 clean water act requires states to monitor river and lake health by measuring and reporting basic environmental data. that’s quite a challenge in the land of 10,000 lakes, so every year the minnesota pollution control agency recruits volunteers to help monitor water quality. as laurie sovell of the mpca says, we all live...