OCW
How we built Watch Duty, the lifesaving wildfire alert app
After finding himself alone in an unreported wildfire in the woodlands of California, John Mills decided to take matters into his own hands. Hear the incredible story of how he rallied fire survivors and retired first responders to create Watch Duty, the nonprofit emergency alert system that’s bea..
TED
How the fridge changed food
What if your kitchen fridge is just the tip of an iceberg that's reshaping the world? Food storyteller Nicola Twilley reveals how the massive “artificial Arctic” we built to keep our food fresh is simultaneously melting the real one. She shows why we're at a critical moment to rethink ..
TED
The army of autonomous robots restoring nature
Impact investor Tom Chi challenges a dangerous assumption: that economic growth and ecological health are opposing forces. He reveals how advances in AI and robotics are enabling a radical shift towards innovation as a force for restoration. Imagine mines that extract less, farms that regenerate soi..
TED
How to see (and stop) deforestation from space
Nearly 20 trees are cut down every second in the Amazon rainforest, as authorities struggle to monitor millions of acres and stop illegal clear-cutting. But land reformer Tasso Azevedo and his team at MapBiomas have changed the game, transforming satellite imagery into precise, real-time maps that m..
TED
How climate shocks could break the economy
Climate change isn't just reshaping our planet — it's also shaking the very foundations of the economy, says sustainability expert Edmond Rhys Jones. He explores the massive gap between what science tells us about the climate crisis and how the economy measures its impact, advocating for..
TED
These AI devices protect nature in real time
If we can put astronauts on the moon, conservationists shouldn't have to hike miles through dense forests to change the batteries on cameras, says Juan M. Lavista Ferres, chief data scientist at the AI for Good Lab. He introduces SPARROW, an open-source, solar-powered AI system that can analyze..
TED