Geraldine Chua . Articles Perth’s secret garden: the Subiaco Oval Courtyard by Luigi Rosselli Architects From the street, this family residence looks no different from its neighbours, but the Subiaco Oval Courtyard by Luigi Rosselli Architects contains a secret. Former PM Paul Keating says Sydney is fed “junk” apartments; fears for city’s open spaces Former PM Paul Keating says Sydney's open public spaces should be preserved and enhanced. Victoria’s first zero waste home part of 2014 Premier’s Sustainability Awards finalists Twenty-seven finalists have been announced for the 2014 Premier’s Sustainability Awards, with winners to be announced on 2 October. Australia’s largest heritage refurbishment by Brookfield Multiplex to achieve 6 Star Green Star rating The transformation of 50 Martin Place in Sydney into a state-of-the-art workplace has been awarded a 6 Star Green Star – Office Design v3 rating. Shortlist announced for 2014 National Architecture Awards 61 projects have been selected to progress to the final stage of judging, many of which are in the running across multiple categories. Stronger and cleaner concrete enriched by Eden’s carbon nanotubes (CNT) set for trials in Australia Trials will be undertaken to test the potential of Perth-based Eden Energy’s use of super-strength, micro-sized carbon particles in concrete.