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A new book says Australia’s 20-year water trading experiment is sucking hundreds of millions of dollars each year out of the Murray-Darling Basin and directing water away from productive land. Scott Hamilton, Strategic Advisory Panel Member, Australian-German Energy Transition Hub, The University of Melbourne Stuart Kells, Adjunct Professor, College of Arts, Social Sciences and Commerce, La Trobe University Licensed as Creative Commons – attribution, no derivatives.

Australia’s alpine region warmed for about 600 years. What makes this climate change particularly interesting is that it bears striking similarity to today. Zoë Thomas, ARC DECRA Fellow, UNSW Haidee Cadd, Research associate, University of Wollongong Larissa Schneider, DECRA fellow, Australian National University Licensed as Creative Commons – attribution, no derivatives.

A large US-based utility has urged Pennsylvania’s Independent Regulatory Review Commission (IRRC) to approve a RGGI-modelled cap-and-trade regulation this week despite a flood of comments from Republicans, labour groups, and industry stakeholders against the measure.

Texas Renewable Energy Certificate (REC) prices declined over the second half of August to stop a bull run that has taken wider North American compliance and voluntary Renewable Portfolio Standard (RPS) markets by storm over the past year.

About 10,000 officers a day will be present at event likely to be focus of wide range of demonstrations

Thousands of officers will receive public order training in the run-up to the Cop26 summit in Glasgow in November, Police Scotland has said.

About 10,000 officers from around the UK will be deployed each day of the climate summit, making it one of the largest policing operations ever undertaken in Britain.

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Hurricane Ida made landfall on the US state of Louisiana, on the 16th anniversary of Hurricane Katrina.

Metropolitan police say officers at the scene to get traffic moving after van and caravan used to block road

Extinction Rebellion protesters have blocked Tower Bridge with a van and caravan on Sunday in the latest step of their continuing demonstrations.

Activists from the group, also known as XR, lay on the ground near the London landmark to protest against government investment in fossil fuels as part of their fifth wave of mass protests on environmental issues.

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A short video clip captured by the crew of Captain John Boats and posted to Facebook shows the apex predators, one estimated to be at least 18ft (5.5 metres) long, devouring what whale expert Peter Corkeron called 'the biggest smorgasbord a shark could ever dream of'.

A decomposing carcass of a year-old humpback calf floating in the waters of the Stellwagen Bank national marine sanctuary turned into a camera-ready moment, when two large great whites showed up and started feasting on the remains.

Over the next two days, eight great whites arrived along with blue sharks and numerous species of seabird, according to researchers funded by the National Oceanic and Atmospheric Administration

• Eight great white sharks seen feeding on humpback whale carcass

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Rooftop solar is going to fundamentally change the grid, AEMO says, and push operational demand down to lows never contemplated before.

The post Rooftop solar could meet up to three quarters of total grid demand by 2025 appeared first on RenewEconomy.

UN announcement marks ‘huge milestone for global health and our environment’

The era of leaded petrol is officially over, the UN has announced, eliminating a major threat to human and planetary health.

UN experts have called the use of the fuel, which began in 1922, a “catastrophe for the environment and public health”. By the 1970s, nearly all petrol produced around the world contained lead. Now the last country to use it, Algeria, has finally stopped selling it in petrol stations.

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AEMO says there is enough new renewables and other generation entering the grid to cover any supply shortfalls, although coal is becoming less reliable.

The post AEMO’s new reliability forecasts give lie to Taylor’s Coalkeeper campaign appeared first on RenewEconomy.

Canadian Prime Minister Justin Trudeau’s Liberal Party rolled out a zero-emissions vehicle (ZEV) sale mandate, declining GHG caps for the oil and gas sector, and a Clean Electricity Standard (CES) on Sunday as they look to bolster their climate agenda ahead of next month’s federal election.

Hong Kong Exchanges and Clearing (HKEX) and the Guangdong Futures Exchange (GFEX) are teaming up to explore the possibilities of a strategic partnership around products related to China’s carbon emissions targets.

Australia has released a new draft method for soil carbon that aims to make it easier for farmers to develop and operate projects and earn offsets.

European carbon prices rose above €60 for the first time early on Monday, briefly topping €61 moments later amid a surge of speculative buying and strong natural gas prices.

• Expert marvels at ‘biggest smorgasbord a shark could dream of’
• Researchers monitor unusual humpback mortality event

For those aboard a recent whale watching cruise off Cape Cod, the decomposing carcass of a year-old humpback calf floating in the waters of the Stellwagen Bank national marine sanctuary made for a heartbreaking sight.

Related: Experience: I was attacked by two sharks at once

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New survey confirms that some of the Morrison government's most ardent supporters of coal and gas are largely out of step with the views of their own electorates.

The post Regional voters reject gas led recovery, support investment in renewables appeared first on RenewEconomy.

Research finds almost two-thirds of older people want UK government to move faster on green initiatives

The majority of over-50s believe the UK government should be doing more to address the climate crisis, even if it leads to higher prices, a study has found.

A survey of more than 500 people aged 50 and over found that almost two-thirds want ministers to move faster on climate initiatives, regardless of whether it meant products and services would be more expensive over time, or more difficult to access.

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Fortescue Metals to invest another $1 billion in renewables division, and will push its customers to tackle their 250 million tonne emissions footprint.

The post Fortescue to invest another $1 billion in renewables, green hydrogen after windfall profit appeared first on RenewEconomy.

ClearVue to supply its patented solar glass technology for use in a greenhouse at a high-profile eco-tourism and "wellness" project in Japan.

The post Japanese eco-tourism resort taps ClearVue solar glass for greenhouse appeared first on RenewEconomy.