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Machines using giant fans and filters can literally suck carbon dioxide out of the air. Sounds great – but the technology faces many challenges. Deanna D'Alessandro, Professor & ARC Future Fellow, University of Sydney Licensed as Creative Commons – attribution, no derivatives.

A new measure of average weather days in New Zealand puts the temperature on the rise, again. James Renwick, Professor, Physical Geography (climate science), Te Herenga Waka — Victoria University of Wellington Licensed as Creative Commons – attribution, no derivatives.

EUAs dipped back below €33 on Wednesday as resurgent gas prices took a breather following the previous session's 7% hike.

US biofuel credit (RIN) prices rose on Wednesday morning after former President Donald Trump’s EPA only granted several compliance waivers to facilities under the Renewable Fuel Standard (RFS), allaying traders’ fears the outgoing administration would issue a raft of exemptions during its final hours in power.

Study tests public support for bringing back species after 500-year absence, while farmers fear for sheep

A consortium of conservationists that hopes to release wild lynx into the Scottish Highlands has launched a year-long study to see whether the public supports their reintroduction.

The study, part-funded by two billionaire Danish estate owners in the Highlands, Anders Povlsen and Lisbet Rausing, will test whether farmers, landowners and rural communities will agree to a pilot project in a remote area of Scotland.

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A Virginia court should dismiss an industry lawsuit challenging the state’s RGGI-linked cap-and-trade programme, according to a brief filed by the Attorney General’s office ahead of a hearing on Wednesday.

Offset developers face a limited impact should the suspension of issuances under the UN CDM offset mechanism be resolved later this year, though some are seeking alternatives given the risk of further complications.

President-elect Joe Biden (D) announced he will immediately seek to re-enter the US into the Paris Agreement after taking office on Wednesday, as he laid out several other climate-oriented executive orders that included cancelling the Keystone XL oil pipeline expansion and reversing the environmental rollbacks undertaken by outgoing President Donald Trump (R).

*PREMIUM LISTING (viewable by non-subscribers) – We are seeking an analytical, strategic and enthusiastic policy officer to support our work on international climate policies, with a special focus on delivering research and analytical briefings on carbon markets and carbon pricing.

New research centre to tackle overlap of livestock and human medicines, but campaigners fear “techno-fix” for factory farming

An initiative to develop bespoke antibiotics for livestock has raised fears that it could be a “techno-fix” for more intensive farming.

Mixed reactions have followed news that Ineos, a global petrochemical manufacturer, has donated £100m to establish the Ineos Oxford University Institute (IOI) for antimicrobial research.

The institute said it would focus on designing novel antimicrobials solely for animals because the majority of global antibiotic consumption by volume was in agriculture, and antibiotic use in animals was contributing significantly to their lessening effectiveness in humans.

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The US Chamber of Commerce supports economy-wide market-based approaches as part of tougher climate action, the country’s biggest business group said Wednesday in a shift to its position.

World Health Organization estimates air pollution kills more than 7 million people each year

Limiting air pollution to levels recommended by the World Health Organization could prevent more than 50,000 deaths in Europe annually, according to research.

The WHO estimates air pollution kills more than 7 million people each year and is one of the leading causes of sickness and absence from work globally.

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Purpose: Contributes to BHP’s global analysis of carbon markets, including short and long term price forecasting, and supports implementation of BHP’s global carbon offset strategy.

Despite no real climbing experience, photographer Bastiaan Woudt went in search of the Himalayas’ highest peaks … and himself

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After studying how microplastics damage the oceans, schoolgirl Lizzie wants the government to stop sending waste to developing countries

A petition by a nine-year-old schoolgirl calling on Boris Johnson to stop shipments of plastic waste to developing countries has received more than 70,000 signatures in less than a week.

Lizzie A*, who is studying plastic pollution in year 4, said she began the petition because sending Britain’s unsorted plastic waste to poorer nations is “unfair” and wrong. She took action last week after her mother, Esther, showed her a piece in the Guardian’s Seascape series, revealing the UK will continue to ship plastic waste to developing countries despite an EU ban on the practice from this month.

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Macquarie Green Investment Group to take stake in esVolta, developer and owner of US big batteries including 600MWh of contracted projects mostly in California.

The post Macquarie taps into California grid-scale battery bonanza appeared first on RenewEconomy.

NSW ministers called on to prevent "wholesale destruction" of Kosciuszko National Park by Snowy 2.0 transmission line works.

The post New front in transmission war, as TransGrid flags Snowy 2.0 network upgrades appeared first on RenewEconomy.

An issue with hydraulic systems led to the early shutdown of a test for Nasa's new "megarocket".

Tesla extends exclusive battery research contract with Dalhousie University team led by Jeff Dahn, who will also now advise to ASX-listed battery materials firm Novonix.

The post Battery scientist Jeff Dahn extends Tesla contract, forges new role with Novonix appeared first on RenewEconomy.

The cupped clap of a butterfly's wings may be the key to their flying abilities and their survival.