For all the talk about Australia’s resource and energy riches and the country’s economy riding the waves of a resource boom, one facet of the country’s energy situation has largely been under the radar…
Do you see the light? Solar costs are comparable to fossil fuels, and are falling 45% annually.
Flickr/MyEye85
John Mathews, Macquarie Graduate School of Management
Recent postings to The Conversation have enlivened the debate over the “Great Transition” that is underway all around the world from the fossil-fuelled energy systems of the 20th century to the renewably…
Embrace the blazing sphere.
AAP/EPA/NASA/Solar Dynamics Observatory
John Gardner, US Secretary of Health, Education and Welfare joined Lyndon Johnson’s cabinet in 1965 to help create a ‘Great Society’ to end poverty, promote equality, improve education, rejuvenate cities…
Driving away from fossil fuels: fields of rapeseed which is used in biofuels, many of which are under development in Australia and abroad.
Flickr/roger g1
In 300 BC, the Syrian city of Antioch had public street lighting fuelled by olive oil. At the 1900 Paris World Fair, German inventor Rudolph Diesel demonstrated his engine powered by peanut oil. Biofuels…
Humanity’s control of fire has led to a vastly changed atmosphere.
Jason A Samfield
The evidence for a rapid shift in state of the terrestrial atmosphere-ocean system over the last two centuries (see figure 1) requires a deep time perspective, beyond events of the day. Tracing the original…
Environmentalists are getting off the streets and into the courts in an effort to stop coal.
Takver
The bill creating the carbon price has passed through Parliament. However, the campaigning efforts of the environmental lobby will not pause. More than ever, the coal industry is in its sights, with court…
There are several options for future energy generation. We just need to get there.
waldopepper
In news today, the Greens are calling for an end to federal funding for a proposed coal- and gas-fuelled power plant in Victoria’s Latrobe Valley. Others have suggested the plant provides a source of “transition…
Future fuels will be made from a range of raw materials, including algae.
SandiaLabs
It’s one of the key challenges of our generation: transforming our global energy use from emissions-intensive, non-renewable fossil fuels to low-carbon, sustainable energy technologies. The challenge for…
Indian climate policy expert Dr Kirit Parikh says developed countries should take the lead on reducing global greenhouse gas emissions.
Jamie North/PARDALOTE PHOTOGRAPHY
A solar energy revolution is brewing that will put the coal and nuclear industries out of business. Solar is already reaching price parity with coal in many parts of Australia. In contrast to coal and…
Debate is intensifying over the extraction of coal seam gas, particularly in NSW and Queensland. Farmers are protesting over safety concerns and threats to the country’s food security. The Greens and the…
What can you do with a hole in the ground? It’s about more than planting trees.
OZinOH/flickr
In late 1986, residents of Diamond St, Kingston, an outer southern suburb of Brisbane, began to notice a black sludge-like substance seeping through the soil and into their gardens. Within six months…
Winds of change: Julia Gillard’s comparison is politically convenient, but doesn’t make sense.
AAP
Prime Minister Julia Gillard last week used the example of Spain to indicate how Australia’s energy mix could be transformed. The potential for this transformation is nothing more than wishful thinking…
The movie Gasland galvanised the public on the dangers of fracking.
Gasland
Fracking. It’s a hotbed of controversy that spans our increasingly energy-hungry globe. The French have turned their back on it. Permanently. And now the NSW government has temporarily frozen the use of…
Believe it or not, sulphur emissions are keeping us cooler.
lillicomanche/flickr
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…
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…
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
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…