We can produce abundant, sustainable and cheap energy — for everyone, says physicist Julio Friedmann. He explores the infrastructure, innovation and investment needed to supply energy to 10 billion people, offering case studies from Chile's refurbished supply chain, built in partnership with Japan, to Namibia's budding clean hydrogen production, inviting us to envision a greener, more equitably powered world.
Photosynthesis is one of the most important processes on the planet, helping produce the food we eat and the air we breathe. Crop scientist Steve Long thinks it could be more efficient — and he's intent on giving it a boost. He shows how hacking photosynthesis could help feed the world all while reducing climate change.
Covering global war stories can be hard and thankless — but it's critical work if the rest of us are to understand what's really going on in the world. For nearly two decades, journalist Jane Ferguson has reported on hostilities across Africa and the Middle East, and she's witnessed firsthand the changing face of her profession. Via stories of her own experiences at the heart of complex conflicts, she shares fascinating details of how she and other female colleagues have changed the way that news is captured, shared — and understood.
Your immune system is more socially aware than you think, says social neuroscientist and psychology professor Keely Muscatell. Investigating the interconnectedness of your mood and your inflammatory system, she offers an evolutionary reason as to why being sick may make you feel depressed — and vice versa.
Social progress in the United States often seems to take two steps forward and one step back, with hard-fought civil rights wins countered by a seemingly inevitable backlash. In this spirited talk, writer Charles M. Blow makes the case that history, inverted, suggests a potential path forward. It's an unapologetically provocative proposal that Blow thinks just might spark a real shift toward equality in the US.
Are you actually bored, or is something else going on? Educator Kevin H. Gary shares three practical takeaways to deal with the doldrums, so you can take control of your attention, figure out which feelings to trust and name the real problem.
US President Joe Biden and President of the People's Republic of China Xi Jinping recently met in San Francisco. It was the first time Xi had visited the US in six years — and the first time the two leaders had met in person in a year. Geopolitical expert Ian Bremmer explains the implications of the meeting, sharing context and insight on areas where the pair agree -- and flagging key areas where tensions might yet arise. (This conversation with TED's Helen Walters was recorded on November 20, 2023.)
You don't need political power to make real change, says activist Katie Fahey. She tells the story of how she led a successful movement in Michigan to end gerrymandering — the practice of drawing district lines to favor one political party — and how it all started with a simple social media post.
