Three-quarters of the global population, or about 6 billion people, live in areas where fresh water has dwindled since 2002. https://www.japantimes.co.jp/commentary/2025/09/07/world/the-earth-is-drying-out/?utm_medium=Social&utm_source=mastodon #commentary #worldnews #climatechange #pollution #greenenergy
alcinnz
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Here's a working sand battery in Finland. Heated to 500°C, it'll store heat for up to three months. This one heats all the town's municipal buildings, uses no chemicals, it doesn’t degrade and won’t catch on fire.
Seriously cool tech!
https://cleantechnica.com/2025/08/30/finnish-city-inaugurates-1-mw-100-mwh-sand-battery/
Here's a working sand battery in Finland. Heated to 500°C, it'll store heat for up to three months. This one heats all the town's municipal buildings, uses no chemicals, it doesn’t degrade and won’t catch on fire.
Seriously cool tech!
https://cleantechnica.com/2025/08/30/finnish-city-inaugurates-1-mw-100-mwh-sand-battery/