The untapped energy source that could power t...

Creator Maya Higa is on a mission to use the internet to build the next generation of conservationists. Her virtual education center, Alveus Sanctuary, is one of the most-watched sanctuaries on Earth, with dozens of rescued animals and cameras livestreaming to a community of mill ...  Show more

What if we could solve the problem of fatal car accidents? Waymo co-CEO Tekedra Mawakana joins TED's Sal Khan to explore why fully autonomous vehicles (where you never have to touch the wheel) could end the dangerous status quo of traffic deaths. She makes the case for why self-d ...  Show more

Oil: The prehistoric source of fuel that could drive us all into extinction. We need to pivot to renewable sources of energy, like water, wind and solar to save our planet. But is it actually possible to switch ALL energy sources to these renewables? Dan looks at the problems rus ...  Show more

As the world slowly moves away from using fossil fuels for electricity, one tiny Scottish island has proved it’s possible to rely almost entirely on renewables.

The inner Hebridean isle of Eigg used to get its power from diesel generators. But in 2008 its residents launc ...

New challenges for our power supplies in a warming world.

Global temperatures have been breaking records this summer. On some estimates, the earth is the hottest that it has been for about 125,000 years. In Phoenix, Arizona, temperatures have ...

Alternative sources of power are moving into the spotlight.

As the share of dispatchable power in our electricity system declines, with coal-fired plants giving way to variable wind and solar, maintaining reliable supplies to keep the lights on becomes more complex. Inve ...