Healthy waters, healthy lands

<p>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.</p> <p>And then, why should we care whether a river or stream is in good condition?</p> <p>Leon Metzling was a Victorian EPA senior water ecologist for 30 years. Here he's talking to Rod.</p>