Who needs thermometers when you have water troughs?

Climate change is real: Flannery - Local News - News - General - Wimmera Mail Times

Addressing a Leadership in a Changing Climate breakfast at Horsham Golf Club, Professor Flannery said the time for climate change skeptics was past and urgent action was required.
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Professor Flannery said tell-tale signs of climate change were that water troughs no longer froze over and stream flow had reduced.

He said in the 1950s cold conditions created an ice skim over inland Australian water troughs but that was no longer happening.
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He said in 2001 the panel suggested a worse case scenario for climate change would see the earth warm six degrees Celsius by 2100.

Professor Flannery said if that happened it would be the end of civilisation.