If you were to visit a river, it might look beautiful, but is it healthy? Looks may be a good start, but properly assessing a water body takes a bit more and, yes, how it smells is another indicator.
And then, why should we care whether a river or stream is in good condition?
Leon Metzling was a Victorian EPA senior water ecologist for 30 years. Here he's talking to Rod.
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Science as a Verb
Artificial Intelligence
Coral Bleaching
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