In this issue

Issue 177


Retirees find link between ‘bush graffiti’ and Gondwana
A team of retired scientists working at CSIRO has completed a remarkable investigation into the iconic ‘scribbles' found on smooth-barked eucalypts throughout southeastern Australia. Their work took them deep into the little known world of Australia's scribbly gum moths.
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Making space for wildlife
Australia is fêted globally for its unique plants and animals and its ecological communities are testament to the wondrous processes of evolution. But, as the human population continues to grow and compete for land and resources, much of Australia's flora and fauna has become threatened with extinction.
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Climate change denial and the illusion of consensus
In a recent blog post, respected US scientist and author of The Inquisition of Climate Science, James Lawrence Powell, analysed peer-reviewed scientific articles on climate change published between January 1991 and November 2012. The search produced 13,950 articles, of which just 24 clearly rejected the theory of global warming, or endorsed a cause other than CO2 emissions.
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Snags underpin Murray River restoration plan
Trees, branches and logs that have fallen into river channels provide critical structural habitat for river life. Over the past two centuries or so in Australia, such habitat has been removed for boat navigation, water conveyance and infrastructure protection. In 2003, the Murray–Darling Basin Authority began ‘resnagging' a section of the Murray River to restore native fish habitat.
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In future, let’s build our cities around water
If you could build a city for one million people from scratch, which infrastructure should you put on the drawing board first? This question, as far as Monash Water for Liveability CEO Rob Skinner is concerned, has only one answer – the plumbing.
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'Garden scourge' may help counter livestock emissions
You often hear the argument that sheep or cattle production has a much bigger carbon footprint than crop production. But, as our research group discovered, if you take a ‘whole-farm system' approach, the comparison can be surprising. And kikuyu grass – considered a scourge by many urban gardeners – could play a key role.
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In Brief - Round-up of sustainability news

UltraBattery smooths the way for King Island clean energy
Strategic planting reduces plantations’ impact on groundwater
Two more sleeps to SA’s Great Koala Count
Australia-India knowledge exchange for safer water
Australian blue whales now call Antarctica home
Economics, not environment, drives climate change action
Land management tool based on Indigenous knowledge
Beetle defence could bring biotech benefit
Leading soil scientist warns of threat to food security
Top supercomputer focused on the environment
Could large solar arrays make their own rain?
Native street trees can boost birds' survival
The trick to making sewage smell sweeter
Deserts hold ‘vast' green energy prospects: report
How our native giants shrug off heatwaves
Google’s Earth Engine takes shape through the cloud
The north and south of it: wetter and drier for WA
Pesticides regulator restricts use of fruit-fly control agent
Damage to farms minimal under Basin plan: scientists
Do Australia's giant fire-dependent trees belong in the rainforest?
Smartphone app ready for South Australia's Great Koala Count

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