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Environment + Energy – Articles, Analysis, Comment

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Rainfall is dropping, but runoff into dams used for irrigation is dropping even faster. CSIRO

In south-western Australia, water shortages will worsen

While the rest of Australia has had a reprieve from the Millennium Drought, and floods have recently affected many areas along the north eastern Australian coast, the extended dry period that has affected…
Introduced as food for cattle, gamba grass burns in a way that threatens northern Australia’s ecosystems. AAP Image/CRC for Weed Management

Field of nightmares: gamba grass in the Top End

Stretching across the north from Broome to Townsville, Australia’s tropical savannas are the largest, least-degraded savannas on Earth. While fire management, pastoralism, mining, and the decline of native…
Its not just the forests that make the Tarkine distinctive - it is habitat for 117 threatened species of flora and fauna. Jennifer Evans

There’s more to the Tarkine than trees

Tasmania’s Tarkine is now instantly recognisable, evoking ancient forests and environmental controversy. It hasn’t always been so, however, with research and celebration building over the past 40 years…
South East Queensland’s grid of water treatment plants are meant to drought proof the region, but could help in floods too. AAP Image/Dave Hunt

How ‘drought infrastructure’ can help us get through floods

Over the last six years, there have been major investments made in “climate independent” water supplies and other measures to help “drought-proof” most of Australia’s capital cities. These have included…
A free-ranging (dingo-like) dog in Kakadu National Park. John Tracey

Dingoes, dogs and the feral identity

On a stop-over in Thailand, CSIRO scientist Laurie Corbett noticed some familiar-looking, ginger dogs wandering the streets. This encounter set him thinking about the origins of Australia’s dingoes, a…
Last time around, the Victorian Government made too many decisions predicated on a stereotyped idea of Australian drought. AAP Image/Julian Smith

Victoria needs flexibility to get through the next drought

The notion that Australia is the driest inhabited continent on the planet has created a persistent stereotype. Recent weather shows it to be misguided. It suits embarrassed planners, myopic politicians…
Everyone likes to stand out from the crowd, but sometimes ignoring the consensus goes too far. James Cridland

There is no such thing as climate change denial

In a sense, there is no such thing as climate change denial. No one denies that climate changes (in fact, the most common climate myth is the argument that past climate change is evidence that current…
Feral cats are a significant threat to Australian fauna species. Tim Doherty / ECU

Feral felines: managing their impact on native fauna

Australian fauna have suffered serious declines since European settlement, with small- and medium-sized mammals being the worst affected. Feral cats depredate native birds, mammals and reptiles and are…
Mornington Wildlife Sanctuary in the Kimberley is one of the Australian Wildlife Conservancy’s properties. Who else is privately conserving biodiversity? dracophylla/Flickr

Private land is an important piece of the conservation jigsaw

There is general agreement that the Commonwealth and state governments lack the commitment, and hence funding, to preserve Australia’s biodiversity. Professor Tim Flannery addressed these issues in his…
Gilbert’s Potoroo: rediscovered in 1994 after nearly 100 years. Dick Walker

Australian endangered species: Gilbert’s Potoroo

Gilbert’s Potoroo (Potorous gilbertii) is one of four species of potoroo. It has dense grey-brown fur, paler on the underside, with furry jowls, large eyes and an almost hairless tail. It is the smallest…
Even if Congress is opposed, President Obama has made it clear he means to act on climate change. EPA/JIM LO SCALZO

State of the Union: climate change action is a domestic concern

In his Inauguration address on 21 January, Obama placed tackling climate change high on the agenda for his second term. His definitive statement that “we will respond to the threat of climate change” signalled…
Tasmania’s leadership on marriage equality is a good example of how distorted preconceptions about Tasmania obscure reality. Tasmanians United for Marriage Equality

Churning the mud: Tasmania’s fertile ground for legal and social reform

Is Tasmania at a tipping point? Over the past two weeks The Conversation, in conjunction with Griffith REVIEW and the University of Tasmania, has published a series of provocations. Our authors ask where…
A boom in cheap gas is weaning the US off foreign fossil fuels, and that has implications for geo-politics. EPA/JIM LO SCALZO

How is US non-conventional fossil fuel affecting the rest of the world?

Instead of increased reliance on gas imports expected five years ago the US now has an abundance of cheap gas for domestic use, and is even projecting LNG exports. Reliance on oil imports has fallen from…
Wild koala in the Western Downs region of Qld exhibiting abnormal behaviour due to drought conditions. P. Murphy, December 2009

The koala in the coalmine

If we need an indicator that climate change is upon us, we need look no further than Australia’s koala. The koala family (Phascolarctidae) has existed in Australia for tens of millions of years, yet in…
The red fox is significantly implicated in wiping out native mammals, but there are some promising methods for reducing its impact. Harley Kingston

Is it too late to bring the red fox under control?

The red fox may be the most destructive species ever introduced to Australia. For a start, it carries most of the blame for Australia’s appalling record of recent mammal extinctions. Since European settlement…
Removing CO2 from the emissions of power stations is going to have to get a lot more experimental. D1V1D/Flickr

Carbon capture can’t rely on fine-tuning old technologies

Carbon capture, for those who don’t know already, is the term given to various different technologies that can “capture” the carbon dioxide in streams of gases that would normally be emitted to the atmosphere…
Fair game: Is the deer a pest or good hunting? black_lava/Flickr

The protected pest: deer in Australia

Deer are arguably the most charismatic of Australia’s invasive species. Long considered a welcome addition to the Australian environment, primarily as a highly valued hunting resource, deer populations…
Australia’s best known pest. AAP Image/Dave Hunt

The toad we love to hate

For some unfathomable reason, cane toads stir the popular imagination. Most invasive species are simply not noticed by most of us, or, if they are, they are quickly assimilated into our mental landscape…
Can on-field adulation translate to off-field trustworthiness? AAP Image/Dean Lewins

Big league stakes: gambling on a sport legend to sell coal seam gas

Darren Lockyer knows a thing or two about conversions, having banged hundreds between the posts and over the crossbar during his rugby league career. He retired on a high in 2011, having captained the…
Festival-goers enjoy Peats Ridge Sustainable Music and Arts Festival: the festival sector has become more proactive about sustainability. island home/Flickr

Festivals and the environmental sustainability challenge

Festivals are fun activities - we go to meet up with friends and family, escape the hum drum of daily life, and to be exposed to new cultural forms or simply to be entertained. Rarely do we consider the…
By pulling out of deforestation activities, APP says it is responding to climate change concerns. Rainforest Action Network

Major forestry company stops Indonesian deforestation

Asia’s largest forestry, pulp and paper manufacturing company announced in Jakarta this week it has stopped all activities that lead to deforestation in Indonesia. In a rare public event, the Chairman…
Tasmanians are pretty happy with their lot in life: isn’t that worth more than growth for growth’s sake? Georgie Sharp

No basket-case: Tasmania on the bumpy road to economic sustainability

Is Tasmania at a tipping point? Over the next two weeks The Conversation, in conjunction with Griffith REVIEW and the University of Tasmania, is publishing a series of provocations. Our authors ask where…