We’re living through oil wars, wildfire smoke and extreme weather driven by a warming planet. But environmentalist Bill McKibben says one thing is finally going right: the price of clean energy has plunged, making it cheaper than ever to power the world without burning fossil fuels. He breaks down how energy from the sun became the best option on Earth — and why this narrow window of time may be our last real shot at a different future. “Energy from heaven, not from hell,” he says.

NASA and SpaceX successfully launched the Nancy Grace Roman Space Telescope from the historic Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The Orbiting Observatory was named after NASA’s first chief astronomer, Nancy Grace Roman and can produce images from deep space 100 times larger than NASA’s Hubble Space Telescope.

Read more about NASA’s Roman Space Telescope on CNET.com:
NASA’s Nancy Grace Roman Telescope Is About to Start Its Cosmic Survey

0:00 Liftoff & Ascent
1:03 Max Q
1:54 Side Booster Cutoff & Separation
2:07 Boostback Burn
2:40 Main Core Separation & Second Stage Ignition
2:57 Fairing Separation
3:34 Side Booster Entry Burn
4:09 Side Booster Landing Burn & Touchdown
4:47 Second Stage Cutoff (SECO-1)
5:14 Nancy Grace Roman Space Telescope Deployment
5:43 Post-Deployment Wrap-Up

Video Credits:
Producer: Stephen Beacham

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Artist Joe Whale used to get in trouble for doodling in class, until a local restaurant let him cover an entire wall with his artwork … and the internet took notice. He traces his unlikely beginning to a bigger story: your imagination is a muscle, and it weakens when you hand it off to AI. Through a live doodling demo, he shows in real time what it looks like to let a thought become a drawing, one line at a time. (Recorded at Play@TED on May 14, 2026)

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The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit for our entire library, transcripts, translations and personalized recommendations.

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