The Conversation
The latest crocodile attack is tragic – but the Northern Territory doesn’t have a croc problem
Fatal crocodile attacks are extraordinarily rare in Australia – and there is no evidence to suggest their numbers are too high.
Brandon Michael Sideleau, PhD student studying human-saltwater crocodile conflict, Charles Darwin University
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Without a massive grid upgrade, the Coalition’s nuclear plan faces a high-voltage hurdle
Keeping the lights on in Australia is not an easy task – and adding nuclear to the mix would add new complications.
Asma Aziz, Senior Lecturer in Power Engineering, Edith Cowan University
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Southern Australia is freezing. How can it be so cold in a warming climate?
It has been particularly cold this week, with a record low temperature recorded in Tasmania. Such records are increasingly rare as average temperatures continue to rise.
Andrew King, Senior Lecturer in Climate Science, The University of Melbourne
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Why electric beats hydrogen in the race to decarbonise freight vehicles in Australia
Modelling shows a shift to electric trucks is the better, faster option for cutting transport emissions under most plausible scenarios in Australia’s energy transition.
Hussein Dia, Professor of Future Urban Mobility, Swinburne University of Technology
Dorsa Alipour, PhD Candidate, Swinburne University of Technology
Hadi Ghaderi, Associate Professor in Logistics and Supply Chain Management, Swinburne University of Technology
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Here’s how ‘microgrids’ are empowering regional and remote communities across Australia
Small renewable energy systems are replacing dirty diesel generators in remote communities. This study of 20 Australian microgrid feasibility projects reveals widespread benefits.
Simon Wright, Senior Research Fellow, Energy & Circularity, Gulbali Institute, Charles Sturt University
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How investing in green buildings, including cheaper home loans, is a win for banks, people and our planet
Financial institutions have a key role to play in funding green building construction and retrofits to cut energy use, running costs and emissions.
Ehsan Noroozinejad, Senior Researcher, Urban Transformations Research Centre, Western Sydney University
Nicky Morrison, Professor of Planning and Director of Urban Transformations Research Centre, Western Sydney University
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Is an electric bike right for you? Here’s what to consider before you buy
Mass adoption of e-bikes in Australia requires better infrastructure, new government regulation and price incentives. But you can still enjoy the benefits now.
Muhammad Rizwan Azhar, Lecturer of Chemical Engineering, Sustainable Energy and Resources, Edith Cowan University
Waqas Uzair, Research Associate, Advanced Battery Systems and Safety, Edith Cowan University
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Rising risks of climate disasters mean some communities will need to move – we need a national conversation about relocation now
Climate change is making some parts of Australia unliveable or uninsurable. We need a national conversation about the planned relocation. A proposed National Relocation Authority can lead the way.
Roslyn Prinsley, Head, Disaster Solutions, Australian National University
Naomi Hay, Bachelor of Design (Honours) Convenor and Lecturer, School of Art and Design, Australian National University
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Just 15 centimetres of water can float a car – but we are failing to educate drivers about the dangers of floodwaters
Understanding what to do when faced with flooding on the road is an important, yet often overlooked aspect of driver education, which could be the difference between life and death.
Amy Peden, NHMRC Research Fellow, School of Population Health & co-founder UNSW Beach Safety Research Group, UNSW Sydney
Kyra Hamilton, Associate Professor in Applied Psychology, Griffith University
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Australia’s ‘carbon budget’ may blow out by 40% under the Coalition’s nuclear energy plan – and that’s the best-case scenario
The Coalition’s pledge to build seven nuclear reactors poses serious questions about whether this nation can meet its international climate obligations.
Sven Teske, Research Director, Institute for Sustainable Futures, University of Technology Sydney
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Plastic Free July is a waste of time if the onus is only on consumers
Millions of people are being urged to take part in Plastic Free July. Yet we know consumer choice is only one part of the picture. Eliminating plastic waste requires broader structural change.
Bhavna Middha, ARC DECRA and Senior Research Fellow, Centre for Urban Research, RMIT University
Ralph Horne, Associate Deputy Vice Chancellor, Research & Innovation, College of Design & Social Context, RMIT University
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Gaps in reporting of nitrogen fertiliser use on farms leave an incomplete picture of impacts on water quality
Only about 61% of dairy farm operators had reported their use of synthetic nitrogen a year after reporting rules came into force.
Mike Joy, Morgan Foundation Senior Research Fellow in Freshwater Ecology and Environmental Science, Te Herenga Waka — Victoria University of Wellington
Megan Cornforth-Camden, Visiting Scholar, Te Herenga Waka — Victoria University of Wellington
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Some of us don’t have high-quality drinking water, and it’s putting public health at risk. How do we deliver universal access?
Growing and changing demands for water and the increasing impacts of climate change are adding to the challenge of ensuring everyone has access to a safe and reliable water supply.
Stuart Khan, Professor and Head of School of Civil Engineering, University of Sydney
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‘Things started to look dire’: our deep-dive into past climates sounds a warning for this unique corner of Australia
Over millions of years, a stable climate helped create this biodiversity hotspot. Climate change now threatens it.
Sean Buckley, Lecturer in Molecular Ecology and Environmental Management, Edith Cowan University
Luciano Beheregaray, Matthew Flinders Professor of Biodiversity Genomics, Flinders University
Mark Allen, Post Doctoral Fellow, Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University, Murdoch University
Stephen Beatty, Research Leader (Catchments to Coast), Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University
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What’s next for the Climate Change Authority under Matt Kean’s leadership?
A member of Australia’s Climate Change Authority, Lesley Hughes, explains what this body does – in light of high profile NSW politician Matt Kean’s appointment to the top job this week.
Lesley Hughes, Professor Emerita, Department of Biological Sciences, Macquarie University
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Want to help our precious nocturnal bugs during Matariki’s longer nights? Turn the lights down low
About a third of insects attracted to artificial lights die by morning, often from exhaustion. But we can help them, and the vital ecosystems they serve, by reducing light pollution.
Janice Lord, Associate Professor in Botany, University of Otago
Connal McLean, Natural History Technician – Invertebrates, Te Papa Tongarewa
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Achieving net zero with renewables or nuclear means rebuilding the hollowed-out public service after decades of cuts
Public ownership is back in vogue, after the Coalition promised publicly owned nuclear plants in a decade. The problem is, the public service has been hollowed out.
John Quiggin, Professor, School of Economics, The University of Queensland
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Devastating coral bleaching will be more common, start earlier and last longer unless we cut emissions
Increasing coral bleaching will be worst for the most biodiverse reefs along the equator, impacting the livelihoods and nutrition of the people who depend on them.
Camille Mellin, Senior Lecturer and ARC Future Fellow, School of Biological Sciences, University of Adelaide
Damien Fordham, Associate Professor of Global Change Ecology, University of Adelaide
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Our ‘frog saunas’ could help save endangered species from the devastating chytrid fungus
Our purpose-built “frog saunas” allow amphibians to warm up in winter and bake off chytrid infections. You can even DIY and build a frog sauna for your own backyard with our step-by-step guide.
Anthony Waddle, Schmidt Science Fellow in Conservation Biology, Macquarie University
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Nuclear energy creates the most dangerous form of radioactive waste. Where does Peter Dutton plan to put it?
Nuclear power stations produce high-level radioactive waste. It is dangerous for hundreds of thousands of years — and so far, the world has failed to deliver a safe, permanent storage method.
Rosemary Hill, Adjunct Professor, James Cook University
Ian Lowe, Emeritus Professor, School of Environment and Science, Griffith University
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