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Prices hit zero in all mainland NEM states on Wednesday for second day in a row, and for fourth day in a row in sunny Queensland.

The post Prices hit zero again across the grid as renewables output tops 10GW appeared first on RenewEconomy.

Documents obtained by the Guardian suggest interior secretary is promoting effort tied to his former firm

The US interior secretary, David Bernhardt, is promoting a fossil fuel project for which his former employer, a lobbying firm, is a paid advocate, e-mails obtained by the Guardian suggest.

Experts sayBernhardt is probably violating ethics guidelines issued by the Trump administration with the stated goal of “draining the swamp”. Based on these rules, Bernhardt should be recused from specific issues involving a former client for at least two years.

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Just when you thought Australia had hit the ceiling on absurd energy politics, federal Nationals MP Keith Pitt has unveiled a “bold” new plan for Queensland to quit the national grid.

The post Crazy gang: Coalition MP wants Queensland to leave main grid appeared first on RenewEconomy.

Transgrid’s Andrew Kingsmill on thinking big and renewable energy zones, and AEMO’s long term modelling to decarbonise the grid.

The post Energy Insiders Podcast: On the road to a decarbonised grid appeared first on RenewEconomy.

Populism focuses on charismatic individuals. Environmentalism is all about collective action on collective solutions. How do they come together? Mark Beeson, Professor of International Politics, University of Western Australia Licensed as Creative Commons – attribution, no derivatives.

Public urged to "recycle their tech" as rare, valuable materials in millions of old devices languish in UK homes.

A lot of us like a lush looking, freshly mowed lawn, but there may be more sustainable options we can also enjoy.

Radio-frequency identification, famously used to bug the US embassy in Moscow, is a cheap way to track objects and data.

Closure of tiger farms among urgent steps needed to protect species, wildlife summit hears

Two illegally smuggled tigers per week are being seized by officials, according to a report, but this represents only a tiny fraction of those being killed.

The report, by the wildlife trade experts Traffic, was released at a summit of 183 countries under the Convention in the International Trade in Endangered Species (Cites), where many delegates have called for stronger action.

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Unwanted devices can contain elements that the world is running out of - so how can you help?

In a disused air raid shelter one company is growing crops, but what are the pros and cons of vertical farming?

Campaign groups in France are teaching people how to protest effectively, ahead of the G7 summit.

Ex-Farc rebels in Colombia, who spent decades fighting the government over land and power, have reinvented themselves as eco-warriors protecting the Amazon from illegal logging.

A daily summary of our news plus bite-sized updates from around the world.

More abundant hydroelectric power generation and stagnant fuel consumption should help depress WCI carbon prices in the near-term, but increased power demand from electric vehicle adoption could take allowance values higher over the next decade, analysts said.

The Qld Government has introduced legislation targeting members of the group known as Extinction Rebellion, who they have called "extremist protesters".

New Zealand is small and generates a tiny fraction of global greenhouse gas emissions, but investment in cutting emissions is important and could influence other, larger countries. Ralph Brougham Chapman, Associate Professor , Director Environmental Studies, Victoria University of Wellington Licensed as Creative Commons – attribution, no derivatives.

US biofuel credit (RIN) prices surged on Tuesday on news that President Donald Trump may reassess his position on Renewable Fuel Standard (RFS) compliance waivers following a backlash in the Midwest over the administration’s recent issuances.

German airline Lufthansa has begun to offer passengers the option of offsetting any flight emissions with sustainable aviation fuel, despite it costing around 30 times more than traditional carbon-cutting projects.

Implementing a power sector ETS in North Carolina and linking to the Northeast US RGGI programme may not stimulate significant emissions reductions in the state compared to other policy approaches, according to a new government report.