The term ‘carbon tax’ is a political poison in Australia, thanks to the previous carbon tax which was actually an emissions trading scheme. Yet ironically, many economists prefer a tax over an ETS anyway.
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Articles on Greenhouse gas emissions (GHG)
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A year after the demise of the carbon tax, we might expect both coal and greenhouse emissions to have bounced back, at the expense of renewables like hydroelectricity. Sure enough, that’s what happened.
To avoid dangerous climate change there is a finite amount of greenhouse gas emissions, in particular CO2, that we can add to the atmosphere - our global carbon budget. If we use our budget wisely, we have until about 2050 to transition to zero net emissions. But how do we get there?
The recent Lancet Commission report rightly pointed out that climate change is a huge risk to global public health. But it shied away from one of the main issues: the world consumes far too much meat.
China’s formal climate target shows that the world’s largest greenhouse emitter is determined to green its economy on an unprecedented scale - and that it can bring the rest of the world along for the ride.
The Australian Climate Roundtable unites business, environmental and social groups in calling for a strong climate policy. This unprecedented show of unity might even break down Canberra’s climate stalemate.
About 10% of human-generated greenhouse gas emissions come from farming. Researchers are working on ways to address this piece of the global warming puzzle.
Greenhouse emissions from the aviation industry are still largely unregulated. The prospect of regulations for US flights sounds like progress, but it won’t happen without an elusive international consensus.
Could developed countries’ ageing populations help clean up the climate? New research suggests that a 1% increase in the proportion of over-65s delivers a 1.5% cut in carbon dioxide emissions.
Why we should look at emissions based on consumption rather than geography.
The Grattan Institute has reported that the costs of solar panels have outweighed the benefits by almost A$10 billion in Australia. But the real benefits of cutting greenhouse emissions are much larger.
Nuclear power isn’t ‘zero-emission’, as many proponents claim. Factor in uranium mining, power plant construction, and other factors and it has similar emissions to wind power. But that’s still lower than fossil fuels.
Is nuclear power worth it? No, says Mark Diesendorf – it’s never been a major world energy force, it has caused huge accidents, and its greenhouse emissions are higher than many people realise.
Federal environment minister Greg Hunt has hailed the first round of Emissions Reduction Fund auctions as a “stunning result”. But extrapolating the numbers puts Australia behind on its carbon targets.
The Climate Change Authority has recommended Australia cut greenhouse gas emissions 30% below 2000 levels by 2025. While sensible, the government is unlikely to accept, and the target misses bigger opportunities to cut emissions.
A report from Australia’s Climate Change Authority recommends cutting greenhouse emissions by 30% by 2025 if the country is to be seen as a good global citizen in this year’s climate negotiations.
The federal government is holding the first reverse auction to award contracts for its Direct Action emissions plan. Here’s how it will work.
In the final part of his essay on the Paris climate talks, Nick Rowley explains how a successful deal, whether binding or not, needs to influence directly the domestic policies of the world’s nations.
The Guardian’s divestment campaign is targeting charitable research trusts. John Quiggin says they have a moral duty to divest fossil fuels, regardless of the temptation to research technological climate fixes.
A new report shows Australia can and should double its energy productivity, increasing economic productivity while reducing greenhouse gas emissions.
Top contributors
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Chief Research Scientist, CSIRO Environment; Executive Director, Global Carbon Project, CSIRO
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Senior Lecturer in Climate Science, The University of Melbourne
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Research Group Leader, CSIRO
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Associate Professor, The University of Western Australia
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Director, Queen's Institute for Energy and Environmental Policy, Queen's University, Ontario
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Senior Researcher, Center for International Climate and Environment Research - Oslo
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Royal Society Research Professor of Climate Change Science, University of East Anglia
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Professor, School of Economics, The University of Queensland
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Senior Research Fellow and Associate Professor, Melbourne Climate Futures initiative, The University of Melbourne
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Professor, Crawford School of Public Policy and Head of Energy, Institute for Climate Energy and Disaster Solutions, Australian National University
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Honorary Fellow, CSIRO
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Faculty of Law, The University of Western Australia
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Professor, Deakin Law School, Deakin University
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Professor, Department of Earth System Science, and Chair of the Global Carbon Project, Stanford University
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Research Fellow, Griffith Asia Institute, Griffith University
