Emissions fell by six times the rate in the five years before the carbon tax than they did under the carbon tax. – Environment minister Greg Hunt, The Guardian, January 17, 2015. Australia’s total greenhouse…
Could what we flush down the toilet be used to power our homes? Thanks to biogas technology, Australia’s relationship with organic waste – human and animal excreta, plant scraps and food-processing waste…
Earth’s climate is changing rapidly. We know this from billions of observations, documented in thousands of journal papers and texts and summarized every few years by the United Nations’ Intergovernmental…
Australia’s foreign minister Julie Bishop will have a lot of explaining to do when she arrives here in Lima, Peru, ahead of her address to the UN climate summit tomorrow. It will take all of her diplomatic…
Peter Grace, Queensland University of Technology et Louise Barton, The University of Western Australia
When we talk about greenhouse gases we usually talk about carbon dioxide. When media reports depict climate change, we invariably see the cooling towers of a coal power station. Which is fair, because…
One of the key questions about the coal seam gas (CSG) industry, which is now being developed at breakneck speed across Australia, is how much methane is released as “fugitive” emissions. Three weeks ago…
If you use the full Kyoto period — 1990 to 2020 — the US is minus 5% and Australia is almost exactly the same. Environment minister Greg Hunt, Radio National, November 17. *We and the United States are…
The Australian National University’s decision to withdraw A$16 million in investment from seven resources companies, including gas producer Santos, has been praised by divestment campaigners and condemned…
No matter what the aviation industry does to reduce emissions, it will be outweighed by growth in air travel, according to a new analysis. Growth will trump emissions cuts even if significant (and contentious…
Australia’s economy faces grave threats from climate change, but the greatest threat is if we do not make a serious effort to reduce greenhouse gas emissions. It’s not just the physical impacts of climate…
How we talk about climate change has a lot to do with how we feel about it, and what we’re willing to do to act on it. Recent research from the US found that the terms “global warming” and “climate change…
The way we currently produce food around the world contributes up to 20-30% of the world’s greenhouse gas emissions and accounts for 70% of all human water use. But is it possible to eat well and take…
The political outlook for renewable energy is not great – and I’m not just talking about the view out of Joe Hockey’s car window. The Renewable Energy Target (RET), which aims to deliver 41 million megawatt-hours…
Recent news that a gas project in Queensland has been charged with environmental harm has put the spotlight on underground coal gasification, or UCG. Linc Energy’s Chinchilla project was a pilot UCG project…
The latest review of Australia’s energy-saving appliance scheme has delivered a rare trifecta: a good news story for the economy, the community and the environment. According to my estimates from data…
After a week of mostly bad news on climate change, new figures reveal that Australia easily beat its first internationally-agreed climate target, with nearly 131 million tonnes of emissions to spare. That’s…
A Labor-dominated Senate committee has set the stage for the post-July tussle over carbon policy, recommending that Australia commit to much deeper emissions cuts than the current 5% target, and advising…
Strong winds linked to climate change and the hole in the ozone layer are driving a steady increase in Antarctic sea ice, even as Arctic levels continue to shrink dramatically, a new report shows. While…