TED Countdown Summit 2025 takes place against the backdrop of a fast-moving climate crisis and an energy transition that’s fully underway. On day 1, a remarkable line-up of speakers, spanning sectors and geographies, gathered to put a thumb on the scale and tip the world in the right direction. Here

On the third day of TED2025, speakers explored the theme of empowerment — whether through entrepreneurship for refugees, groundbreaking health tech, ethical AI or parenting strategies that spark joy.

Day 3 included talks curated by tech entrepreneur Juliana Rotich; founder and editor-in-chief of Quillette, Claire Lehmann; and writer and podcaster

We are thrilled to announce this year’s 2025 cohort of TED Fellows, whose work spans four continents and represents 11 countries. This year’s TED Fellows are tackling some of the world’s most urgent issues with bold and groundbreaking solutions. Among them are an entrepreneur transforming organic waste into bioplastics, a