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"Published on Jul 9, 2013 Building a skyscraper? Forget about steel and concrete, says architect Michael Green, and build it out of ... wood. As he details in this intriguing talk, it's not only possible to build safe wooden structures up to 30 stories tall (and, he hopes, higher), it's necessary."

"One of the world's fastest-growing social movements is calling for citizens and institutions to sell out of fossil fuels - but it's not just a matter of morality. Hard-headed analysts say there's a growing risk of a collapse in the value of fossil fuel investments. Taken together, these warnings present a new way to understand our climate crisis. In this edited version of his Lunchbox/Soapbox address, Michael Green takes us inside the movement - starting in the offices of Goldman Sachs, listening to US climate activist Bill McKibben."

Michael Geen is a freelance writer who contributes articles to the Age. This is his Greener Homes section.

"Earlier this year, the 1 millionth Australian household - about one in nine across the country - installed solar photovoltaic panels. There are half a million with solar hot water services too. The process doesn't always go as expected, for reasons both practical and political: rebates and feed-in tariffs have been in flux in every state. But now there are so many systems on roofs, solar homeowners are gaining a stronger public voice."

"From his own patch of turf in Coburg, Emilio Fuscaldo can see south all the way to the skyscrapers. The grass is on his roof. It's one of only a few residential green roofs in Melbourne. Mr Fuscaldo is the founder of Nest Architects; his motives were both private and public. ''It's incumbent on architects to practise what we preach. I wanted to show that you can devote a large percentage of your budget to sustainability,'' he says. ''You can compromise on other things, such as kitchens, cupboards and tiles, and still achieve a beautiful result.''"

I'm a freelance journalist in Melbourne, Australia. I write about environmental, social and community issues. I am often inspired by the people I write about, so I hope you will be too. You can find most of my published articles on this website. I write a weekly column called Greener Homes in the Domain lift-out of the Sunday Age.  

"South Gippsland is blanketed with more than a dozen licences for unconventional gas exploration - which uses controversial techniques to access hard-to-extract resources. For now, nothing is happening. In August 2012, the state government announced a moratorium on coal seam gas exploration and on the drilling method known as fracking, in which water, sand and chemicals are pumped underground at great pressure to fracture coal or rock, and release gas."