Who knew that the Opera house has 35km of pipes in the bowels of the building, so seawater can circulate via fans and pumps. This was a world-first large-scale heating and air-conditioning system.
Aussie bank bans petrol cars, urges more to go electric Canberra Times
Existing technology could decrease plastic pollution by 2040 ABC News video
Scientists restoring and reseeding reefs to future-proof marine life ABC Rural
Queensland charity keeps electronic waste out of landfill ABC Gold Coast
Opera House wins 6 Star Green Star performance helped by seawater heating and cooling system Sydney Morning Herald
Platypus have been released into Royal National Park after absence of 50 years The Leader
Cooma Men’s Shed replicate spider holes to save dragons ABC News video