Articles on Renewable energy

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Puerto Rico’s power utility, PREPA, has been decimated by years of scarcity and bad management. But will privatizing it really turn the lights back on for Puerto Ricans? AP Photo/Carlos Giusti

Why privatizing Puerto Rico’s power grid won’t solve its energy problems

Many Puerto Ricans are happy to see their broke power utility sold off to whoever can get the lights turned back on. But privatizing the island's energy grid may bring more problems than relief.
Joey Kyber/Pixels

Biomining the elements of the future

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.
The home biogas system offers a zero-emissions alternative to paying for fossil gas. Samuel Alexander

Home biogas: turning food waste into renewable energy

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.
Blockchain technologies could help homeowners sell their green electricity to their neighbours. (Shutterstock)

How blockchain can democratize green power

Blockchain technology could be applied to our energy grids to make them smarter, and turn energy consumers into producers.
Most of the growing number of jobs in the solar industry have more to do with maintaining and installing panels than manufacturing them. only_kim/Shutterstock.com

Better ways to foster solar innovation and save jobs

The Trump administration can boost domestic solar panel manufacturing without slapping duties on all imports.
The potential clean energy sources are all around Sydney, just waiting to be harnessed. Collage by Rocco Furfaro

Sydney’s closer to being a zero-carbon city than you think

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.

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