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

Maggots fed on waste food and larvae used as food on fish farms, promising revolutionary changes

The black soldier fly Hermetia illucens already numbers millions in Britain, but if you meet one in the wild it will have escaped. It is of the newest and most productive creatures farmed in these islands. So far it is being kept in controlled conditions so that its larvae can be fed to a large variety of pets – reptiles and birds, but mostly fish.

The most ambitious projects involve feeding the maggots on tons of waste food and then using the larvae as the main source of protein for fish farms. The attraction is that the larvae grow incredibly fast, gaining up to 5,000 times their own body weight in a couple of weeks. The larvae contain a large array of nutrients absorbed from the food that would otherwise be dumped.

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The $444 million awarded to the Great Barrier Reef Foundation has been criticised as a politically calculated move. But governments have been asking what the reef can do for them ever since colonial times. Rohan James Lloyd, Adjunct Lecturer, James Cook University Licensed as Creative Commons – attribution, no derivatives.

The third quarterly WCI auction of 2018 cleared far above the floor price as buyers snapped up all current and future vintage units available, in line with trader and analyst predictions and quelling any lingering concerns that the linked market’s first sale this year without Ontario would hamper demand.

The US EPA released its proposed rulemaking to replace the Obama-era Clean Power Plan (CPP) on Tuesday, giving states more leeway on regulating coal-fired power plants but still considering whether trading would be an eligible compliance mechanism under the new programme.

Stop the Cull group says it will not threaten cull organisers but rather disrupt them

Animal rights activists have published what they claim is a comprehensive list of farmers leading the badger cull complete with addresses, phone numbers and a map.

The Stop the Cull group has suggested its supporters get in touch with the scores of cull organisers it says it has identified to express their opposition, “sabotage” their time by making misleading phone calls or arrange demonstrations outside their farms.

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Plan would boost output from coal-fired plants and lead to as many as 1,400 premature deaths a year

The Trump administration has put forward a greenhouse gas emissions plan that could boost output from coal-fired power plants rather than push them towards closure and result in as many as 1,400 premature deaths each year.

Related: Andrew Wheeler: 'point man for Trump' focused on undoing Obama's EPA agenda

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A project, more than a decade in the making, sees young eagles released in a bid to boost declining numbers.

There's hopes that a new project in Scotland will re-introduce Golden Eagles in England and Wales.

The history of the lemurs, the most endangered group of mammals, is more complex than we thought.

Scientists say they have definitive evidence for water-ice on the surface of the Moon.

New Zealand carbon allowances took another step towards the price ceiling in Tuesday trade, adding pressure on the government to act quickly to raise the fixed price option.

Australian Prime Minister Malcolm Turnbull on Tuesday narrowly survived a snap leadership challenge from climate sceptic Peter Dutton, but the latter is expected to try again and if he succeeds, climate change would likely slink even further down on the government’s agenda.

Where people and wild animals share the same space some form of management seems to be unavoidable. What does it take to ensure the welfare of animals in the wild?

EU carbon prices extended their 10-year high for a second successive session on Tuesday, as more analysts revised their near-term forecasts upwards after underestimating the year’s stellar gains.

From John Howard’s promise to introduce an emissions trading system in October 2007 to Malcolm Turnbull’s dumping of the emissions reduction target from the national energy guarantee in August 2018, the past 11 years of Australian politics has been marked by a torturous series of backflips and U-turns on energy and climate change policy. The so-called ‘climate wars’ span the leadership of five Australian prime ministers – John Howard, Kevin Rudd, Julia Gillard, Tony Abbott and Malcolm Turnbull – and show no sign of ending.

• Malcolm Turnbull survives Peter Dutton leadership challenge – for now

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GM Holden will hire 150 new engineers at its Port Melbourne plant, to fast-track the development of 20 new EVs by 2023, and an AV by 2019.

The post GM Holden seeks 150 engineers to accelerate electric, autonomous vehicles appeared first on RenewEconomy.

Thousands of reservation holders invited to inspect "mass market" Tesla Model 3 EV in Australia for first time. They will have to wait at least another year for delivery.

The post Australian Tesla customers get to see and touch, but not yet drive, a Model 3 appeared first on RenewEconomy.

The first wind turbine in what will be world’s first utility-scale, on-grid wind, solar and battery energy storage project has been installed.

The post First turbine installed at world first wind-solar-battery hub appeared first on RenewEconomy.

Ratch Australia begins electrification of its 180MW Mount Emerald wind farm, says full operation expected to commence in November this year.

The post Queensland’s biggest wind farm powers up near Mareebra appeared first on RenewEconomy.