Over the last 40 years, Brazil has lost an area larger than California to deforestation — and 90 percent of the clear-cutting has been illegal, all part of a multi-billion-dollar global environmental crime economy. Civic entrepreneur...

The number of forcibly displaced people across the world is on the rise. While aid systems often focus on providing basic necessities like food and shelter, Julienne Oyler and her team at the nonprofit Inkomoko have a more ambitious...

Of the 10 largest rough diamonds ever mined, 6 of them have come from the African nation of Botswana. Russia is the only country that produces more diamonds by volume, but the individual gems don't tend to be as large. So why is...

Coral reefs are the most biodiverse ecosystem on the planet and the lifeblood of a thriving ocean. Yet without action, 90 percent of coral reefs could die by 2050. Fortunately, reef guardian Theresa Fyffe has a plan. Learn how her team...

What happens when the fish that sustain a community start disappearing? Environmental activist Lamin Jassey shares how industrial fish meal factories are devastating local waters, livelihoods and health in The Gambia — and how...

Can marketing transcend traditional business goals and actually be a force for good? Mastercard CMO Raja Rajamannar shares how purpose-driven initiatives — like “touch cards” for the visually impaired and debit cards that let people...

How prevalent is solar power, really? According to researcher Jenny Chase, it's already displacing fossil fuels in key energy markets around the world. She explains the rise of affordable solar power and dives into how her team tracked...

For years, Jean Béliveau walked from country to country, with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths, research shows that adding even a modest amount of...

Amir Nizar Zuabi and Kristine McDivitt Tompkins discuss the power of art and conservation in addressing global challenges. Zuabi reflects on his projects, including the moving puppet Amal and "The Herds," which use beauty and...

The debate over holding social media users accountable for harmful or false content highlights the tension between free speech and the responsibilities that come with vast online reach. Online democracy advocate Eli Pariser explains...

In 1952, polio was everywhere: killing or paralyzing roughly half a million people annually. Yet just 10 years later, paralytic polio cases in the US dropped by 96% and we were on track to get rid of polio for good. But in recent years,...

A century after its discovery, insulin remain essential in treating diabetes, and has a relatively low production cost, with a vial generally costing less than $6 to make. But those in the US pay on average 10 times more than those in...

How can everyday people help foster and protect democracy? Detailing her work fighting for people power as an activist in Madagascar, Ketakandriana Rafitoson discusses how citizen assemblies — meetings where ordinary citizens get...

Here's a wild stat: nearly one-third of the world's food production goes to waste each year, a major contributor to the climate crisis. Farmer and UN climate champion Gonzalo Muñoz sheds light on the international negotiations aimed at...

What we eat is less about what we choose and more about what’s offered to us, says food and climate expert Sarah Lake. Unpacking how governments and companies have driven up meat consumption in the US through extensive marketing, she...

It's time for our periodic update of good news from Angus Hervey, founder of Fix the News, an independent publication that reports stories of global progress. In a quick talk, he shares three major updates of recent human progress on...

Georgia is not heard or seen in the world, and many don't even know the location of the country, says TED Fellow and photographer Daro Sulakauri. Through her striking photographs of life in the shadows of Russian occupation, she uses her...

Why You Should Care About Nukes

This video is a collaboration with Aatish Bhatia about how to see the COVID-19 tipping point - we present a better way to graph COVID-19 coronavirus cases using a logarithmic scale in "phase space" - plotting the growth rate against the...

The conversation between president and founder of Eurasia Group and GZERO Media Ian Bremmer and TED’s Helen Walters delves into the issue of gun violence in America. They emphasize the ease of access to firearms, including military-grade...

Watch as magician David Kwong engages an audience with a demonstration involving ChatGPT, showcasing its ability to generate creative responses and make playful deductions based on input from a volunteer. He sets up scenarios where the...

"I'm not a pacifist, but in the end, war is the greatest human rights abuse and does not make the world safer," says Gabrielle Rifkind, director of the Oxford Process, an organization dedicated to ending armed conflict. She shares how...

“A new reality has emerged, one where ambitious Africans are writing their own stories as builders and as innovators,” says business storyteller Peace Itimi. Taking us inside Africa’s booming tech scene, she highlights the trailblazing...

Uncontrolled fire threatens nature — but the right kind of fire can maintain the health and balance of the land, says fire management expert Oral McGuire. As a leader in the Nyungar community of southwestern Australia and a former...