Why don't we cover the desert with solar pane...

Electric vehicles have a surprisingly long history. Battery-powered cars have existed since 1881. So why did the world choose to spend over a century investing in fossil fuels? Sherrell explores this question with a talk from engineer Doreen Orishaba. Doreen built Africa's first ...  Show more

Did you know every time you fill up your gas tank, you’re paying two prices? In this episode, Sherrell shares two talks about what Big Oil has built, what it buried, and what this discovery means for our future. Talks featuredHow to power the world 24/7 — without oil | Cindy Taff ...  Show more

Caltech research scientist Austin Fikes talks about capturing solar energy in space with a satellite that would relay the power to Earth.

Deep beneath your feet is a molten ball of energy the same temperature as the surface of the sun -- an immense clean energy source that could power the world thousands of times over, says technologist and climate activist Jamie C. Beard. How do we tap it? She lays out a surprisin ...  Show more

From Lawrence of Arabia to Star Wars via tales of intrepid adventurers traversing lonely sand-swept landscapes, deserts have always had a powerful pull on the popular imagination. But if a desert is full of sand, where did all that sand come from in the first place? That is wh ...

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 ...