The Earth energy balance – the difference between energy/heat absorbed by the Earth from solar radiation and the energy/heat emitted back to space – is currently offset by the cooling effect of sulphur…
Researchers hope to create implanted medical devices, like pacemakers, that can be powered with glucose.
Flickr
Scientists have created a glucose-powered biofuel cell that is five to 10 times more powerful than existing cells and lasts weeks longer, paving the way for implanted medical devices that run on the body’s…
Researchers hope to use piezoelectricity – which is generated by mechanical pressure such as fingers tapping a screen or blood pressure – to power gadgets like iPads or pacemakers.
Flickr
That tangled collection of chargers could one day be obsolete, as Australian researchers report a breakthrough that brings us closer to a world where gadgets are recharged every time you press them. Scientists…
CSIRO scientist Dr Paul Fraser examining air stored in the Cape Grim Air Archive. Anyone can now explore online the record levels of greenhouse gases measured in the Southern Hemisphere atmosphere since 1976.
North Sullivan Photography
A new website launched today allows the public to see how greenhouse gas emissions have risen steadily over the past 35 years. The Commonwealth Scientific and Industrial Research Organisation (CSIRO) launched…
A carbon price woud disincentivise pollution, the economists’ letter says.
Flickr
An open letter signed by 13 of the country’s top economists and published in The Australian newspaper has called for the speedy introduction of a price on carbon pollution, preferably by way of an emissions…
Renewables or fossil fuels, we’ll send them offshore when it makes sense.
Flickr/nosha
Australia is a major energy exporter. Are we going to continue to increase our contribution to Asia’s energy mix? Will it be clean energy? And is it possible that our best renewable energy resources will…
A carbon tax priced at $26 per tonne could raise $11.5 billion in the first year, said economist Ross Garnaut.
AAP
Economist Professor Ross Garnaut has released his final report to the government on climate change and the economy. The report says global warming is expected to continue and estimates that a $26 per tonne…
Coal seam gas drilling threatens our most arable land.
«Jonny Boy»/flickr
Coal seam gas has been touted by some as the answer to our addiction to dirty coal. It’s marketed as a “transition fuel” that will ween us off fossil fuels as we move to renewable energy. But the process…
Sea levels are expected to rise between 0.5m and 1m by 2100, potentially at great cost to coastal infrastructure.
AAP
Governments and communities must take urgent action to reduce greenhouse gas emissions this decade or face enormous social and economic costs in future, according a report by the Australian government’s…
For politicians, there’s no bright future in pushing up petrol prices.
Alcohol Gasoline/Flickr
Politically, increasing petrol prices is one of the least popular things a government can do. But is there any point to a carbon tax if it doesn’t cover petrol? Vladimir Putin has just found how quickly…
Our old-fashioned addiction will be hard to kick.
JD Hancock/flickr
Oil is a finite and non-renewable resource. Its production is going to peak. “Peak oil” is the point at which half of the world’s original endowment of oil has been extracted. This is the point at which…
Australia could meet its Kyoto targets by replacing coal with natural gas.
AAP
In a coal-abundant nation trying to go green, coal seam gas drilling offers us a cleaner source of energy. But there is a draw back. Many coal seam wells will require fraccing and the community is concerned…
At least three-quarters of city commuters travel by car.
AAP
Emissions trading is back in the news and in national political debate, as is the related question of how it will affect Australian motorists. Fair enough. This should receive attention because greenhouse…