
An Optimist's Guide to the Planet
Nikolaj travels the world to meet people transforming waste into resources showing that waste isn't something to hide -- it's something we can rethink as valuable raw material.

Nikolaj travels the world to meet people transforming waste into resources showing that waste isn't something to hide -- it's something we can rethink as valuable raw material.

Nikolaj Coster-Waldau begins season two and we're reminded of the delicate balance between human progress and protecting our planet.

Nikolaj begins his global journey to find out how to tell dusk from dawn in the age of climate change from the scientists behind carbon neutral jet fuel to the oceanographer creating cloud cover for the Great Barrier Reef, the answer becomes clear.

The people and companies impacting your money.

The most interesting story of the news cycle, through a global lens.

Midday snapshot at the stories making news around the world.

Make sense of today's biggest stories from the world's largest newsroom. Watch live news and docu-series.

Make sense of today's biggest stories from the world's largest newsroom. Watch live news and docu-series.

Make sense of today's biggest stories from the world's largest newsroom. Watch live news and docu-series.

Emily Chang meets Alexis Ohanian at Athlos NYC, an annual women's track and field event. They discuss his athletics portfolio, venture career and what really happened when he left Reddit.

Hannah Fry journeys to Ireland, her ancestral homeland, tracing the impact of the nation's modern economic transformation and its connections to the land and sea.

Hannah Fry reveals why ancient Greece was the birthplace of so many big ideas she decodes the Parthenon's geometry, sails the Aegean with ancient tools and is swept up in a riotous festival.

Hannah Fry visits South Korea to explore how it became a cultural and tech superpower she trains with a Taekwondo black belt, learns kimchi secrets from a grandmaster and dives into pro gaming.

Hannah Fry explores how Iceland's geology shapes its culture she meets scientists studying lava flows and geothermal power, and travels ancient Viking trails.

Governments and entrepreneurs are racing to commercialize the moon these efforts could unlock a new, deep-space economy but to return and stay will require the highest levels of innovation.

The idea of flying cars has largely remained science fiction, until now a new generation of electrified aircraft is attracting the attention of investors and venture capitalists around the world.

Scientists and entrepreneurs are testing radical ideas like solar radiation management and ocean fertilization they are finding funding for them.

Geothermal has been the underdog of the energy industry, but that may be about to change as new startups use fracking technologies to expand potential geothermal sites.

Nikolaj Coster-Waldau begins season two and we're reminded of the delicate balance between human progress and protecting our planet.

Behind the scenes of the businesses and players that shape modern-day sports exploring every angle of climate change, technology, finance, sports and beyond.