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South Korea has cancelled plans to auction off a combined 3.7 million CO2 permits before the June 30 annual compliance deadline due to low allowance prices and poor market liquidity.

New Zealand must find a way for its emissions trading scheme to rely less on forestry credits if the market is to drive sufficient carbon reductions elsewhere in the economy to meet national climate goals, the independent Climate Change Commission said Wednesday.

Spanish utility Iberdrola posted a strong rebound in hydro output during the first quarter of the year in a signal that reservoir stocks in Iberia have recovered despite ongoing drought-like conditions, also reducing the firm's ETS-covered fossil power generation as a result.

Weeds protect the soil and nurture insects and birds – now they are finally having their time in the sun at the Chelsea flower show

The Royal Horticultural Society (RHS) has declared that this year’s Chelsea flower show is all about weeds, but not as we know them. Four of its 12 show gardens will feature plants traditionally regarded as weeds, which are now being rebranded as “resilient” and “heroes”. Weeds are no longer flowers in the wrong place, according to this year’s organisers, but exactly where they should be, softening the designer’s edge and adding a wild note to far corners. I do love an about-change from the marching band. It’s so full of fanfare and drama.

Except it’s not really new, wild things have been creeping into Chelsea for many years now. Just ask Mary Reynolds, the Irish environmentalist and author of We are the Ark whose gold-winning show garden in 2002 was noted for its “subversive use of weeds”, plants that she is still very much using today in her design work.

Alys Fowler is a gardener and Guardian columnist

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A carbon removals venture has announced the advance purchase of nearly 200,000 tonnes from a portfolio of direct air capture, biochar, and biomass projects, aiming to hit 1 Mt in forward deals by 2025 at "an average target price" of $200 per tonne, it said in a release Wednesday.

European Environment Agency says Ukraine crisis cannot be used to justify delay

The EU’s environmental watchdog has hit back at calls to stall a 50% cut in the use and risks of synthetic pesticides and a 20% cut in fertiliser use by 2030, arguing that the Ukraine crisis provides scant justification for delay.

EU states with the backing of powerful farm unions and centre-right parties have blocked the proposed pesticide reform unless the European Commission completes a second impact study by 28 June to assuage food security fears.

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Pacific Hydro rebrands in bid to reposition as Australia's leading renewables-only generator – and unveils plans including a new retail arm.

The post Australian renewables pioneer PacHydro rebrands, sees big demand for wind and solar appeared first on RenewEconomy.

Australian Energy Market Operator hits back at claims that VNI West will be costly, dangerous and “useless” to the build-out of new renewables.

The post AEMO claps back against “reckless” claims made in scathing critique of VNI West appeared first on RenewEconomy.

The oceans are getting hotter, with a likely El Niño and climate change responsible. Moninya Roughan, Professor in Oceanography, UNSW Sydney Licensed as Creative Commons – attribution, no derivatives.

AGL charges up its biggest battery to date as it readies to close the last of its remaining units at the Liddell coal plant.

The post AGL charges up Torrens battery for first time as it closes another Liddell unit appeared first on RenewEconomy.

NT utility calls for consultant to advise on if, and when, the first solar farms - built three years ago - can be allowed to send power to the grid.

The post NT solar farms still sitting idle after three years, now a consultant has been called in appeared first on RenewEconomy.

One of the earliest scientific findings signed by a woman is part of a newly-digitised collection.

The United Nations Development Programme (UNDP) is in discussions with four Asian countries over issuance of bonds that could generate as much as $200 million to help support tiger ecosystem protection, with successful activities then to be monetised by the sale of "high integrity biodiversity credits", a member of the organisation working on the project confirmed to Carbon Pulse.

Funding for small and medium solar projects is rare in Australia, which makes it a good fit for the government's green bank.

The post CEFC triples funding for mini solar in Cannon-Brookes-backed Infradebt appeared first on RenewEconomy.

Trade in exotic pets online is far more prevalent and diverse than previously thought. Threatened species, invasive species and banned imports are all for sale. Adam Toomes, Ph.D. student at the Invasion Science & Wildlife Ecology Group, University of Adelaide Phill Cassey, Head, Department of Ecology & Evolutionary Biology, University of Adelaide Licensed as Creative Commons – attribution, no derivatives.

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Wildlife Trusts schemes are part of wider programme to help rare habitat recover across British Isles

Two temperate rainforests in Wales and on the Isle of Man have been named as the first to be restored by the Wildlife Trusts, as part of a wider programme to help the rare habitat recover across the British Isles.

Temperate rainforests, also known as Atlantic or Celtic rainforests, are found in places with exposure to the sea – areas with “high oceanicity” – and receive high rainfall and humidity, with a low variation in annual temperature. It is a globally rare habitat, thought to be more threatened than tropical rainforest.

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EU household heating bills could be 20% lighter compared to a business as usual scenario in 2030, according to a cross-stakeholder-commissioned study published on Wednesday that examines the consequences of the bloc achieving its energy security ambitions set out in its REPowerEU strategy. 

The Washington Department of Ecology (ECY) on Monday said it will distribute over 40 million free allowances to electrical utilities between 2023 and 2025 to mitigate the compliance cost exposure from the cap-and-trade system, while final allowance totals are still to be determined for 2026.

Some 20 producers and importers of gasoline and diesel are among the transportation fuel suppliers initially registered under Canada’s impending Clean Fuel Regulations (CFR), according to government data published Tuesday.