Ancient wisdom for healing the planet | Shweta Narayan
The doctrine of “first, do no harm” is the basis of the Hippocratic Oath, one of the world’s oldest codes of ethics. It governs the work of physicians -- but climate and health campaigner Shweta Naray...
29 Nov 20219min
The forest is our teacher. It's time to respect it | Nemonte Nenquimo
For thousands of years, the Amazon rainforest has provided food, water and spiritual connection for its Indigenous inhabitants and the world. But the endless extraction of its natural resources by oil...
25 Nov 20218min
An action plan for solving the climate crisis | John Doerr and Ryan Panchadsaram
"How much more damage do we have to endure before we realize that it's cheaper to save this planet than to ruin it?" asks engineer and investor John Doerr. In conversation with Countdown cofounder Lin...
23 Nov 202112min
The science of preserving sight | Joshua Chu-Tan
As you get older, your eyes worsen and become susceptible to a disease called age-related macular degeneration -- the leading cause of blindness, with no cure in sight. Sharing the science of how your...
22 Nov 202113min
Your self-driving robotaxi is almost here | Aicha Evans
We’ve been hearing about self-driving cars for years, but autonomous vehicle entrepreneur Aicha Evans thinks we need to dream more daringly. In this exciting talk, she introduces us to robotaxis: full...
19 Nov 202110min
A program to empower Black teachers in the US | Larry Irvin
TED Fellow and education innovator Larry Irvin envisions a world where every child can see themselves reflected in their teachers. With his team at Brothers Empowered to Teach, Irvin is providing path...
18 Nov 20216min
An ever-evolving map of everything on Earth | Jack Dangermond
What if we had a map of ... everything? Jack Dangermond, a visionary behind the geographic information system (GIS) technology used to map and analyze all kinds of complex data, walks us through the i...
17 Nov 20215min
The crucial intersection of climate and capital | Nili Gilbert
The financial sector often talks of decarbonizing investment portfolios as a way to fight climate change. But portfolios can be “cleaned” without having any real impact on the problem, says investment...
16 Nov 202110min
