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World's 1st solar-powered car (1960) based on a 1912 Baker Electric. It had the world's largest solar panel (26 sq ft). It put out 100W & was ~4.5% efficient. It was made by International Rectifier (IR) that made the silicon solar cells. Cost was $20K at the time ($160K today). #EV #solarPV

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Sunday 7/26 at 10am PT on Climate Chat: The Physics & Economics of Sea Level Rise with climate scientist Robert Kopp @bobkopp.net. Don't miss it! @leonsimons.com @bikingmzstacey.bsky.social @radsci.bsky.social #ClimateChange #SLR youtu.be/0kcC_VwXVp8

The Physics & Economics of Sea Level Rise with Robert KoppYouTube video by Climate Chatyoutu.be

James Hansen latest says 2026 will be the hottest year (& 2027 will be hotter). But this is not just the fault of the strong El Niño. The main reason is that Climate Sensitivity is 4.5ºC, not 3ºC as the IPCC says. This, combined with decrease in aerosol pollution, is driving accelerated warming.

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Sunday 7/19 at 10am PT on Climate Chat: "Uncharted Territory!": The Upcoming Super El Niño with Jeff Berardelli @weatherprof.bsky.social. We cover more than just El Niño, incl. #ClimateCommunications. (Recorded) @leonsimons.com @bikingmzstacey.bsky.social @radsci.bsky.social youtu.be/rRZGGV3S1KQ

"Uncharted Territory!": The Upcoming Super El Niño with Jeff BerardelliYouTube video by Climate Chatyoutu.be

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Sunday 7/12 at 10am PT on Climate Chat: What Happens to Our Food Supply When We Dim the Sun? with @cornelluniversity.bsky.social climate scientist Brendan Clark. We'll also cover VPD! #SRM #Geoengineering @leonsimons.com @bikingmzstacey.bsky.social @radsci.bsky.social youtube.com/live/2CGPLQq...

What Happens to Our Food Supply When We Dim the Sun? with Brendan ClarkYouTube video by Climate Chatyoutube.com

My Climate Chat program "Ten Major Misconceptions About Climate Change" now has time stamps, so just listen to your "favorite" misconception by clicking on the time stamp in the video description. youtube.com/live/f5E67wq...

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Sunday 7/5 at 10am PT on Climate Chat: Ten Major Misconceptions About Climate Change. Not climate denial, but "conventional wisdom" that's wrong. @leonsimons.com @bikingmzstacey.bsky.social @radsci.bsky.social #ClimateAction #ClimateCrisis youtube.com/live/f5E67wq...

Ten Major Misconceptions About Climate ChangeYouTube video by Climate Chatyoutube.com

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Sunday 6/28 at 10am PT on Climate Chat: The Radical Chemistry of Methane Eradication w/ atmospheric scientist Matthew Johnson. Fascinating & entertaining discussion (recorded). On YouTube (link in thread). #methane @leonsimons.com @bikingmzstacey.bsky.social @radsci.bsky.social youtu.be/rYXo_tsT6Xw

Methane Eradication: Matthew Johnson's Radical ChemistryYouTube video by Climate Chatyoutu.be

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Sunday 6/21 at 10am PT on Climate Chat: I Met These Climate Start-ups—Here’s What They’re Building. A sampling of climate-tech start-ups from the Venture Summit West conference. @leonsimons.com @bikingmzstacey.bsky.social @radsci.bsky.social #ClimateSolutions #Startups youtube.com/live/oFNy_2K...

I Met These Climate Start-ups—Here’s What They’re BuildingYouTube video by Climate Chatyoutube.com

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Sunday 6/14 at 10am PT on Climate Chat: Students Fighting To Force Polluters to Pay: Carbon Fee & Dividend with Katharine Gage. How a student movement is forming around carbon pricing. @leonsimons.com @bikingmzstacey.bsky.social @radsci.bsky.social @cclusa.org youtube.com/live/D4UhcCR...

Students Fighting To Force Polluters to Pay: Carbon Fee & Dividend w/ Katharine GageYouTube video by Climate Chatyoutube.com