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Sand erosion woes at Double Island Point - ABC Sunshine & Cooloola Coasts Qld - Australian Broadcasting Corporation

Sand erosion woes at Double Island Point - ABC Sunshine & Cooloola Coasts Qld - Australian Broadcasting Corporation | Geographical issues | Scoop.it
A beach hazard on Double Island Point has holiday makers watching their step.
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Coastal Management - sand erosion

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Spatial Inequality in Australia

Spatial Inequality in Australia | Geographical issues | Scoop.it
What Is Spatial Inequality? Spatial Inequality is a major geological issue that's affecting the whole world, including Australia. Spatial Inequality can be defined as the uneven distribution...
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Spatial Inequality

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Air pollution takes toll on Australian lives, economy: OECD report

Air pollution takes toll on Australian lives, economy: OECD report | Geographical issues | Scoop.it
Number of deaths related to air pollution in Australia has increased significantly, when most of the world's major economies have seen their death rates decline.

Via Simon Agius
Lauren Donnellan's insight:

Air Quality/ Pollution

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Simon Agius's curator insight, May 25, 2014 1:05 AM

OECD report said the economic cost of deaths from air pollution for OECD countries hit $US1.7 trillion in 2010.


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Toxic waste bleeds into national park

Toxic waste bleeds into national park | Geographical issues | Scoop.it

One of the most toxic waste dumps in WA has seeped into the groundwater, creating a contaminated plume that has reached the John Forrest National Park.

The Red Hill Waste Management Facility takes some of the most hazardous waste in Western Australia, and has apparently been leaking since 2004. The plume includes organophosphate pesticides, and is headed towards a national park.


Via Adam Johnson
Lauren Donnellan's insight:

Waste Management, and Land and Water Management

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Swiss aim to launch first space cleaner › News in Science (ABC Science)

Swiss aim to launch first space cleaner › News in Science (ABC Science) | Geographical issues | Scoop.it
Scientists plan to develop a machine that acts almost like a vacuum cleaner to scoop up thousands of abandoned satellite and rocket parts.
Lauren Donnellan's insight:

Waste management

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Major Australian Cities in Demand

Major Australian Cities in Demand | Geographical issues | Scoop.it

"Australia’s population is expected to reach 42 million by 2050, with the lion’s share of people living in urban centres."

 

"Australia has world-beating population growth right now. The world is growing 1.1 per cent per annum and Australia [at] 1.7 per cent is really out in front” 


Via Victoria Elliot
Lauren Donnellan's insight:

Urban Growth

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Victoria Elliot's curator insight, May 12, 2013 10:06 PM

Savvy investors will capitalise right now on an opportunity to buy land as pending polulation increase = growing demand = shortage of land = huge capital growth

Sarah's comment, July 23, 2013 10:01 PM
“The country’s population has been fast migrating from remote areas to inner city areas, leading to big cities becoming overcrowded. Professor Robert Birrell - “We have to get down to that figure quickly, in the next few years,” he said. “It’s to do with economies of scale – to refit a city is an enormous exercise.”
The Ecological Dimension of this issue is that the rapid overpopulation in inner cities that consequently, force cities such as Melbourne and Sydney to turn into high-rise megacities on the scale of Hong Kong, which can lead to a drastic deterioration in citizens’ quality of life. Also, suburbs within capital cities and inland rural areas have experienced a decline in density of inhabitants while inner cities and infill areas next to the coast have become more popular. Its spatial dimension occurs in Australia.
sasha nicolas's curator insight, July 25, 2013 12:48 AM

due to fast migration in autralia, the population is expected to reach 42 milion by the year 2050.

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New science reveals agriculture’s true climate impact

New science reveals agriculture’s true climate impact | Geographical issues | Scoop.it

"... a group of scientists at the University of California, Berkeley have found a way to “fingerprint” various sources of nitrous oxide — and they’ve determined that the accelerated increase in atmospheric nitrous oxide in the last few decades has indeed been due to synthetic nitrogen fertilizer use.

 

The researchers accomplished this feat through a fascinating technique — using a natural “archive” of air frozen in Antarctic ice combined with an actual archive of air samples taken from a (stunningly beautiful) pollution tracking station in Tasmania, Australia.

 

In their analysis, published in the journal Nature Geoscience, the scientists found that microbes in heavily fertilized farm fields produce nitrous oxide heavy with a particular isotope (nitrogen-14, for those keeping score at home). Their analysis also showed differences in the samples between the two sites that suggest the ability to create a geographical emissions map."


Via David Rowing
Lauren Donnellan's insight:

Land and Water Management

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Great Barrier Reef 'in worst state since records began'

Great Barrier Reef 'in worst state since records began' | Geographical issues | Scoop.it
Guardian Australia: Senate committee hears reef will be ‘pretty ugly’ within 40 years with large swathes of seaweed where complex coral structures once thrived

Via SustainOurEarth
Lauren Donnellan's insight:

Coastal Management

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