February is the riskiest time of the year for blackouts, as the nation returns to work and school and soaring temperatures put pressure on the system.
Fill a tank with water, sugar, and old mobile phones. Add bacteria and stir. Result? Rare earth metals. This is biomining, and it's the way of the future.
Raising the cost of solar panels coming to the US could rekindle interest in a simple but potentially significant technology: solar reflectors.
Slapping duties on imported panels is unwise.
There's little point in saving electricity at times when the marginal cost of generating it is effectively zero.
Its plan to stop lending money for oil and gas projects embraces the spirit of the Paris agreement at a time when the U.S. is going in a different direction.
If China becomes the global leader in renewables it will have huge influence across the world.
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.
Unsurprisingly, the Japanese feel ambivalent about nuclear power, but part of their energy needs could be answered by the country's tidal potential.
Blockchain technology could be applied to our energy grids to make them smarter, and turn energy consumers into producers.
As coal continues to collapse, large new wind farms are coming online. Electricity generated in Britain is the cleanest it's ever been.
The Trump administration can boost domestic solar panel manufacturing without slapping duties on all imports.
Diatoms' tricks may offer new insights that keep solar cell energy running efficiently and robustly throughout their processes.
Sun, wind, waste biomass, geothermal, tides and waves: all these energy sources in Sydney's backyard add up to a zero-carbon energy solution for the city.
It may be just as well the UK government scrapped its previous carbon capture competition.
New modelling suggests that Australia could use renewable energy to hit its 2030 emissions reduction targets, without it costing any more overall than maintaining the status quo.
As federal and state energy ministers gather to discuss the Turnbull government's proposed National Energy Guarantee, many of the finer details of the modelling are not yet available.
Tesla, China and Richard Branson are among those offering to help Caribbean nations rebuild – and do so in a greener, more resilient way – after the devastating 2017 hurricane season.
It's not all bad news at Bonn – with low carbon precincts, living infrastructure and urban networks, cities are leading the charge against climate change.
The CO2 we produce when we put up buildings is large and virtually unregulated.