Grid electricity is often said to be critical for long-term human development. But are the substantially higher investment costs justified by the economic impact?
Methane bubbles form in a pit digester on a dairy farm as bacteria break down cow manure. The methane can be collected and used as an energy source.
Edwin Remsburg/VW Pics via Getty Images
The restructure Google should look at the world’s big challenges rather than create solutions to problems that don’t exist yet.
Automatically labelling people as NIMBYs if they have concerns about local power projects is not a constructive way to proceed.
Grahamec/Wikimedia Commons
From coal seam gas to wind farms, new resource projects seem to be pitting communities against corporations, and people against their neighbours. We often see, in such cases, community concerns labelled…
Back on the road: a hydrogen-fuelled car at a US trade show.
EPA/MICHAEL NELSON/AAP
We hear a lot about wind, solar and nuclear energy in the fight to reduce carbon emissions, but it seems we’ve forgotten about hydrogen fuel. Hydrogen — made by splitting water — was considered energy-intensive…
Heatwaves provide a good reminder we need to think more carefully about how we use energy.
Wiz78/Flickr
When it comes to expectations for power price rises in the year ahead, the short answer is on average we can expect them to be less severe in 2014 than in recent years. The long answer, driven by electricity…
Using industrial hemp for the production of bioenergy has been promoted by enthusiasts for a long time.
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Thomas Prade, Swedish University of Agricultural Sciences
Bioenergy is currently the fastest growing source of renewable energy. Cultivating energy crops on arable land can decrease dependency on depleting fossil resources and it can mitigate climate change…
When the sporting gods smile at Australia, we go to Rio, but Brazil has long been on the international business map.
AAP
We have recently witnessed Brazil being hit by mass protests not seen since the days of the military dictatorship, but apart from the Socceroos going to the 2014 World Cup and the Rio Olympics in 2016…
Plentiful carbon-based fuel and falling world energy prices are a mixed blessing.
Adrian Bradshaw/AAP
Since the middle of the last decade, well before the worldwide run-up in fuel prices during 2008, it has been widely believed that we are entering a new era of scarcity in carbon-based fuels such as oil…
Two out of three Australians use complementary medicines to boost their nutrition, alleviate various symptoms and improve their overall health and well-being. There are around 10,000 products to choose…
American public transport employs biofuels instead of petrol .
AAP
“We are fortunate to be alive at this moment in history. Never before has our nation enjoyed, at once, so much prosperity and social progress with so little internal crisis and so few external threats…