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Grid-scale batteries: They’re not just lithium | Ars Technica

#sustainability | When size and weight don't matter, lots of other battery chemistries can work.

1 month ago | View Shared by tom

The overshoot myth: you can’t keep burning fossil fuels and expect scientists of the future to get us back to 1.5°C

#sustainability | The net zero approach of the Paris agreement has become detached from reality as it increasingly relies on science fiction levels of speculative technology.

2 months ago | View Shared by tom

Dieback hits Tasmanian forests after dry summer as researchers investigate impact on trees' future - ABC News

#sustainability | Huge patches of forest in Tasmania have rapidly turned brown over recent months, with many trees dying after a dry summer. As climate change causes hotter and drier weather, can we expect more tree deaths in the future?

3 months ago | View Shared by tom

Batteries: how cheap can they get? - by Auke Hoekstra

#sustainability | How dirt cheap batteries will completely transform our electricity grid, paving the way for solar and wind and replacing grid reinforcements with grid buffers.

hn https://news.ycombinator.com/item?id=40877337 with good info pn lithium battery prices

also in obsidian under solar ev etc

3 months ago | View Shared by tom

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Outdoor clothing brands still using ‘forever chemicals’ despite health risk | PFAS | The Guardian

#sustainability | Campaigners find PFAS, which can contaminate the soil and water supply, in more than 80% of 27 companies’ products

4 months ago | View Shared by tom

Betting on the End of the World – Watching the World Go Bye

#sustainability

5 months ago | View Shared by tom

Lithium-free sodium batteries exit the lab and enter US production

#sustainability | Natron Energy fell a little behind schedule on production plans for its sodium batteries but officially commenced production of the rapid-charging, long-life lithium-free batteries this week, bringing to market an intriguing new storage alternative.

From wikipedia:

After three decades of development, NIBs are at a critical moment of commercialization. Several companies such as HiNa and CATL in China, Faradion in the United Kingdom, Tiamat in France, Northvolt in Sweden,[5] and Natron Energy in the US, are close to achieving the commercialization of NIBs, with the aim of employing sodium layered transition metal oxides (NaxTMO2), Prussian white (a Prussian blue analogue[6]) or vanadium phosphate as cathode materials.[7]

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