Deep lake water cooling (DLWC) is used to cool over 100 buildings in the city. It saves enough electricity to power a town of 25,000 — and it’s so popular the city is pursuing an expansion.
— Read on www.washingtonpost.com/climate-solutions/interactive/2021/toronto-deep-latke-water-cooling-raptors/

As El Niño approaches just imagine if something as forward thinking as this could be done in a country like Australia? There have been a few successful trials at Swinburne and RMIT but it would take public enterprise to establish, in competition with private sector deniers