The home biogas system offers a zero-emissions alternative to paying for fossil gas.
Australians love cooking with gas, but what if you could make your own supply, using leftover food waste? It may be time for more households to embrace home biogas – and stop paying gas bills.
Pools at an algae farm in Borculo, east Netherlands.
AP Photo/Arthur Max
Scientists and government agencies have been studying biofuel production from algae for years. Research points toward a more affordable and efficient production process that recycles water.
Many homes in remote Indigenous communities rely on wood or diesel for heating.
THE CANADIAN PRESS/Adrian Wyld
More than 200 remote communities in Canada rely on diesel fuel for energy. Cleaner options could fuel a better quality of life.
The world's largest recyclable materials importer will leave other countries searching for alternative waste management solutions.
The new policy could end up feeding demand for coal.
AAP Image/Dan Himbrechts
By rebranding coal as 'dispatchable', the government's National Energy Guarantee looks set to preserve demand for coal-fired power by giving it a new role – one it's not well equipped to fulfil.
Business as usual is not an option.
A new CSIRO roadmap outlines the options for oil and gas companies to keep pace with the clean energy transition, including solar-powered hydrogen fuel production.
The Victorian government is aiming to boost renewable energy to 40%.
Victoria's plan to legislate its own renewable energy target of 40% by 2025 shows how states are increasingly taking the energy policy reins away from the federal government.
A report released this week by the Australian Council of Social Service has pointed out that many vulnerable households cannot access rooftop solar and efficient appliances, describing the issue as a serious…
The City of Sydney is aiming to get 50% of its electricity from renewables by 2030.
A new report from the Climate Council details the climate policy ambitions of Australian cities and local governments, and launches a new project to link their efforts together.
Protesters gather outside the White House in Washington D.C. after President Donald Trump’s decision to withdraw the Unites States from the Paris climate change accord.
(AP Photo/Susan Walsh)
Action on climate change is now increasingly in China's hands, and the decisions the country's leaders make in the next decade will have a profound global impact.
This array in Indiana is one of a growing number of “community solar gardens” in the US.
Without help, lower-income people could miss out on the clean energy revolution – hence the arrival of community projects aiming to boost access to solar panels, batteries and other green technology.
The World Bank has highlighted steps to improve sustainable energy investment.
Australia is near the back of the pack of rich nations when it comes to policies for clean energy. But there are things we can do about it.
Obama has prioritized development of wind and solar in a number of ways, including installation on military bases.
AP Photo/Carolyn Kaster
The Trump administration has the tools to slow the momentum Obama started on clean energy. Countering Trump are global market forces and state-level action.
A man burns rubbish on the side of a road in Dandora in Nairobi, Kenya.
A new report has found that Africa’s air pollution is already causing more premature deaths than unsafe water or childhood malnutrition.
Do you see the future the same way as Leonardo?
Leonardo DiCaprio's new climate documentary is an urgent call for the promised green tech revolution. But it shows too much faith in politicians and corporations to change their ways.
Solar jobs now outnumber coal jobs in U.S. Is that reason enough for government policies to promote clean energy?
Will government policy to promote clean energy be disastrous or a boon? A close look at the 2009 stimulus, which plowed $90 billion into energy, can tell us a lot.
The Greens are the party of climate action - but do they embrace enough technologies to get there?
AAP Image/Julian Smith
The Greens have successfully cast themselves as the party of climate science. But to hit their climate goals they may need to become even more radical, by embracing technologies like nuclear power.
Across Africa the potential is ripe for a clean energy revolution that upsets and leapfrogs the old fossil-fuel order.
Clean energy in Africa is certainly a possibility despite those in the fossil fuel industry believing this not to be true.
Bill Gates pioneered the Breakthrough Energy Coalition, an initiative by 28 billionaires to push for more funding for clean energy.
In the age of austerity, governments have limited resources to invest in new areas of research – like clean energy – that have multiple risks. Billionaires like Bill Gates can help plug the gap.
A biogas plant in Queensland.
NH Foods Oakey Beef Exports
The government has issued a draft direction to the Clean Energy Finance Corporation to invest in "emerging" clean energy such as bioenergy. But what are the prospects for bioenergy?