David Zipper

davidzipper.bsky.social

05 August 2026 01:45

A story of cause and effect: Last November, Ontario banned cities from using speed safety cameras to issue tickets. Reckless speeding immediately surged in Toronto, Ottawa, Guelph, and cities throughout the province. A 🧵 about my latest in Bloomberg (gift link)

Dr. Jonathan Foley

globalecoguy.bsky.social

12 April 2026 03:43

Even Trump’s bad policies can't stop renewables now. www.canarymedia.com/articles/cle...

David Roberts

volts.wtf

23 October 2025 18:14

Something like 80% of the used lithium-ion batteries in the country go to Redwood Materials for recycling. So they had a thought: what if we hook all these used batteries up as grid-scale storage until they're completely tapped out, and *then* recycle them? Thus was born: Redwood Energy.