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Dynamic allowance supply from price containment mechanisms could provide flexibility and reduce uncertainties through varying technological outcomes in California, while facility-specific caps could ensure emissions reductions in disadvantaged communities with minimal impact on the market, according to a think tank report.

Analysts lowered their California Carbon Allowance (CCA) price estimates in light of workshop letdowns, but nevertheless foresaw an uptick in values following clarity regarding programme adjustments, and also projected a low auction clear in Washington's carbon market.

A bad forecast for the fruit harvest in Brazil could have knock-on effects on the price of Aussie breakfast beverages and beyond

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Oranges – and all the things we can make from them – are big business. But the industry is facing a severe crisis.

About 50m tonnes of oranges are grown each year, 34% of them in Brazil. Brazil is also the world’s biggest exporter of orange juice by far, producing about 70% of global supply.

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RGGI allowances (RGAs) reached an all-time high last Wednesday before tailing off at the end of the week, as market participants largely look to the upcoming second auction of the year despite expressing varying degrees of confidence in recent historic prices.

Hundreds of millions of dollars in federal funding currently back a direct air capture (DAC) project in the US Gulf Coast, but the developers have yet to reach a final decision on storage of captured CO2, while academics and community members heed caution towards industry scale-up in the region.

The Eraring deal means that Australia's biggest coal generator will operate with the same capacity factor as the average solar farm. Baseload is dead, so what does Peter Dutton think he is going to do with a big nuclear plant?

The post Eraring deal signals death of baseload power in Australia, and Dutton’s nuclear fantasy appeared first on RenewEconomy.

Uniquely, an Australian subtropical peatland ecosystem exists that is not only resilient to the frequent bushfires, but actually needs fire to survive. Catherine Yule, Professor of Ecology, University of the Sunshine Coast Licensed as Creative Commons – attribution, no derivatives.

Conflict between coal giant Adani, the Queensland government and traditional owners over harm to groundwater ecosystems stems from a flawed interpretation of the ‘adaptive management’ approach. Matthew Currell, Professor of Environmental Engineering, School of Engineering, Griffith University Adrian Werner, Professor of Hydrogeology, Flinders University Licensed as Creative Commons – attribution, no derivatives.

The EU’s Carbon Border Adjustment Mechanism (CBAM) might hurt industrial manufacturers based in Europe more than those in third countries due to loopholes and its limited scope, according to a report published by a Brussels-based climate NGO.

A startup accelerator has stressed the need for a tech-agnostic approach when integrating carbon removals into the UK and EU compliance schemes, pointing to the early-stage nature of the market and fact that some methods are still in development.

Thin liquidity continued to stalk the market last week, although a number of high-priced trades, and expectations that the Integrity Council for the Voluntary Carbon Market (ICVCM) could soon approve the first methodologies for the CCPs quality label, kept optimism upbeat.

French and Peru-based developers of nature-based solution projects have partnered to scale up reforestation, afforestation, and agroforestry initiatives in Latin America, aiming to generate both carbon and biodiversity credits.

Since 2019, when the current Ursula von der Leyen-led European Commission took office, coal and gas has been rapidly pushed out of the EU power mix, with her presidency a driving force behind this trend, according to analysis released Monday.

Two-thirds of European green shipping fuel projects are at risk due to lack of certainty from investors, according to a new report.

The Museum of Australian Photography (MAPh), the proud custodian of more than 3,860 photographs, is holding a fundraising auction in Melbourne, with the proceeds of the sales shared equally with the contributing artists

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The Coalition’s nuclear policy is leveraged on regional discontent over renewables. But many farmers don’t want nuclear in their back yard either

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Here’s the thing about the Coalition’s latest nuclear policy. It tries to use one of the most contentious issues in rural areas, which is the rollout of renewables and the electricity transmission lines to carry energy around the country, to push an even more controversial energy transition.

Because nuclear power stations would also be built in the regions. And if you’re worried about renewables, hands up who wants a nuclear reactor next door?

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My grandmother’s orchard stopped me in my tracks, and I only have to read the word to feel the shade of those trees

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My grandmother had a small orchard in her garden in Johannesburg. It was a few plum and peach trees, and very shady. The leaves of the plum trees were purpley-green, almost black, and the ground was covered with the pits of decayed peaches, so that when I ran barefoot across the sunny garden with its dry grass, and into the orchard, I was forced to stop; it was like running over hard pebbles. And when I stood still, it was dark and smelled like rotting fruit. There were gnats hovering near the ground. I lifted my foot and looked at the hard folds on the peach pit. My shadow stopped at the orchard’s border, it could not cross.

An orchard is a place where you tame trees, or try to. To plant one is an act of hope, the belief that home will mean abundance, that it is good to put down roots. “These trees came to stay,” is how Richard Wilbur opens his poem Young Orchard.

the shadows of long pines down trackless slopes,
the shadows of glass-faced towers down evening streets,
the shadow of a frail plant on a city sill—

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battalions of starlings waging peaceful cries,
bearing the net higher, covering this world
like the vines of an orchard, or a mother drawing
the trembling gauze over the trembling eyes
of a child fluttering to sleep;

it was the light

Do you have an animal, insect or other subject you feel is worthy of appearing in this very serious column? Email helen.sullivan@theguardian.com

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Discovery of three queen hornets in East Sussex means it is likely the bee-killing insect will be here for good

DNA testing has confirmed that Asian hornets overwintered in the UK for the first time this year, meaning it is very likely the bee-killing insect will be here for good.

Asian hornets (Vespa velutina) dismember and eat bees, and have thrived in France, where they have caused concern because of the number of insects killed. They sit outside honeybee hives and capture bees as they enter and exit, and chop up the smaller insects and feed their thoraxes to their young.

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A voluntary carbon registry has published what it describes as the world's first ocean alkalinity protocol, with buyers already signed up to purchase the first batch of credits.

The European Commission is stepping up efforts to close a deal on international carbon credits, but a successful outcome needs to be based on a clear understanding that emissions reductions or removals – rather than climate finance – are the top priority, a senior EU official has said.