The City of Sydney has announced that it has diverted almost 70% - or about 20,000 tonnes - of its household waste from landfill each year. This makes it one of seven councils in NSW to exceed the state government's target of diverting 66% of household waste from landfill by 2014. [ + ]

The expert panel conducting the review of the Renewable Energy Target (RET) has invited public submissions on issues relevant to the review. [ + ]

Researchers from The University of Nottingham have analysed how people on Twitter responded to the Intergovernmental Panel on Climate Change's (IPCC) latest report. [ + ]

Carnegie Wave Energy has revealed three CETO 5 buoyant actuators to be used in its Perth Wave Energy Project (PWEP) - the first operating wave energy array project in the world and the first to produce both clean energy and fresh water. [ + ]

IWES, a provider of short courses for environment professionals, has announced the date of its next event, IWES Gold Coast 2014. [ + ]

The Australian Packaging Covenant (APC) has launched an online tool to help packaging suppliers decide whether their packaging can be classified as recyclable in Australia. [ + ]

The Australian Competition and Consumer Commission (ACCC) last week granted interim authorisation for joint waste tenders to four councils in Sydney, and separately to three councils in Tasmania. [ + ]

Fluid technology specialist Burkert has provided a fluid control system for the fuel cell stack of the hydrogen electric race car 'Forze VI', built by students of the Delft University of Technology in the Netherlands. [ + ]

In 2014, an estimated 40,000 child car restraints will expire. An industry-wide project has been set up in New Zealand to look at the disposal of these restraints. [ + ]

The organisers of the 2014 Air Conditioning, Refrigeration and Building Services (ARBS 2014) exhibition have announced the finalists across all categories of its industry awards. [ + ]

The City of Melbourne has released a report into the impact of January's heatwave on businesses. With the frequency and intensity of heatwaves expected to increase, it was determined that an understanding of the economic impacts of such events on businesses is needed. [ + ]

Registrations are now open for the 2014 Air Conditioning, Refrigeration and Building Services (ARBS 2014) seminar series. [ + ]

A new research collaboration, led by the University of Technology, Sydney (UTS), aims to determine the value of above-ground resources - the metals contained in discarded goods. [ + ]

Technology and consulting company AWT has joined Mott MacDonald Group, a global management, engineering and sustainable development consultancy. [ + ]

A University of Michigan researcher has found that despite population growth, fuel consumption by American drivers of light-duty vehicles is now lower than it was 15 years ago. [ + ]