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Monitoring the environmentThere's no questions that keeping an eye on what's happening to our environment is important. But "our environment" is so complex, it's difficult to find features that can be measured. And features that can be measured and actually tell us something about the environment are even harder to identify. Fortunately, many people are thinking along the same lines and developing ways to keep track of factors that show us how healthy (or not) our surroundings are. We've come across several such resources:
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