The Sydney Opera House has officially become carbon neutral, meeting its target to reduce emissions five years ahead of schedule. [ + ]

Solar pumping specialist ReAqua has designed and built a 500 kW solar array, comprising nearly a hectare of panels, to power a bore producing up to 15 ML each day. [ + ]

The upgrade will include the capture of biogas generated during the treatment process to power the plant's operations and implementation of the nitrite-shunt nutrient removal process. [ + ]

The six-year study looked at the effects on marine invertebrate recruitment of the pumping and 'diffusing' of high-concentration salt water back into the ocean. [ + ]

A virtual power plant from Reposit Power has been recognised as one of the most innovative and outstanding engineering projects of 2018. [ + ]

Professional services company GHD has announced the appointment of Rod Naylor as its new Market Leader – Water in Australia, commencing in November. [ + ]

Pyrolysis and gasification are being touted as perfect circular economy solutions to the challenge of recycling. [ + ]

While over 90% of Australians are concerned about environmental sustainability, only half believe they are doing their fair share to protect the planet. [ + ]

The Greenhouse event series is designed to explore creative solutions to the challenges faced by cities around the world as they move to a more sustainable approach. [ + ]

'Distributed energy in the property sector — today's opportunities' looks at a broad range of technologies and indicates that are best suited to different property types. [ + ]

Feedback on the discussion paper will inform updates to the 2009 National Waste Policy for consideration by environment ministers later this year. [ + ]

The Victorian Renewable Energy Auction Scheme will see six renewable energy projects deliver 928 MW of energy — almost 45% more power than originally anticipated. [ + ]

Barangaroo South is among four green building projects, one business and an industry leader announced as winners of the WorldGBC Asia Pacific Leadership in Green Building Awards. [ + ]

NCH Australia has committed to donating 1% of its sales revenue to Buy a Bale — a charity that is providing aid to farming and rural communities in the form of bales of hay. [ + ]

The LEGO Group has launched a new range of botanical elements — such as leaves, bushes and trees — made from plant-based plastic sourced from sugarcane. [ + ]