With Labor Day approaching, many people are preparing to go tubing and swimming at local streams and rivers. But do these delightful summertime activities have an impact on waterways? Now, the first holistic study of this question has found that recreation can alter the chemical and microbial fingerprint of streams, but the environmental and health ramifications are not yet known.
from Latest Science News -- ScienceDaily https://ift.tt/c62WIRq
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