Articles sur Renewables

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What a gas: one of Moreland’s new hydrogen-powered garbage trucks. Takver/Flickr.com

Of renewables, Robocops and risky business

A local council goes for hydrogen. A state government goes for lithium and mirrors. They are taking punts on technology. What are the risks?
Solar PV outstripped coal as the leading source of new electricity generation worldwide last year. AAP Image/Lukas Coch

Solar is now the most popular form of new electricity generation worldwide

Solar PV and wind energy have overtaken coal as the leading sources of new electricity generation worldwide, with falling prices and new storage technologies making clean energy ever more attainable.
Malcolm Turnbull is firm in his belief that his party is one of harmony and robust discussion. But Tony Abbott seems to have other ideas. Mick Tsikas/AAP

Tony Abbott says he’ll stay around – because he’s needed

Tony Abbott's second major public intervention this week prompted a radio interviewer to ask Malcolm Turnbull whether his leadership was under threat.
Josh Frydenberg’s task of garnering broad support for the Finkel scheme is proving to be more difficult than expected. Lukas Coch/AAP

Critical backbenchers push back on Finkel clean energy target plan

The degree of pushback against a clean energy target was stronger than had been anticipated, given the intense lobbying of the backbench Josh Frydenberg had done ahead of the meeting.
The government faces a hard internal sell on the Finkel plan, not least to Tony Abbott. Mick Tsikas/AAP

How hard will Tony Abbott run against the Finkel plan?

Bedding down an energy security policy based broadly on the Finkel model is now crucial for Malcolm Turnbull. But the issue will also test Tony Abbott’s judgement and influence, in what has long been a…
The Finkel review aims to introduce certainty into Australia’s energy market. Reuters/Tim Wimborne

The Finkel Review at a glance

The Finkel review is designed to create a coherent and realistic plan for a low-emissions future. Here are the details you need to know.
To manage renewable energy efficiently, all weather variation need to be taken into account. Greg Clarke/Flickr

An algorithm to improve the renewable energy production

Relying less on fossil fuels is one of the key challenges of energy transition, and taking weather variations into account can help increase the overall efficiency of a renewable-energy system.
Wind turbines require massive structures that are polluting to produce and can harm ecosystems, but these impacts compare favorably with those of fossil alternatives. www.shutterstock.com

Does ‘green energy’ have hidden health and environmental costs?

No energy source is perfect, but solar and wind have a much lower health and environmental footprint than fossil fuels, a study finds. Biopower, though, is a mixed bag.

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