PBS
Can AI help solve India’s food and water insecurity?
New ReviewOne of the largest challenges facing India: how to sustain food production for 1.4 billion people amid deteriorating soil quality, diminishing water supplies and climate change. For some, including hundreds of artificial intelligence...
TED Talks
How displaced people are driving local economies | Julienne Oyler
New ReviewThe 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...
TED Talks
The world's first "nature superpower" | Ilona Szabó de Carvalho
New ReviewOver 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...
SciShow
Why Did Botswana Win the Diamond Lottery So Hard?
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 Botswana...
TED Talks
A new lifeline for the world's coral reefs | Theresa Fyffe
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...
TED Talks
How industrial fishing sinks communities | Lamin Jassey
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...
TED Talks
The art of marketing — for good | Raja Rajamannar
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...
TED Talks
Solar energy is even cheaper than you think | Jenny Chase
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...
PBS
How efforts to send Haiti cheap rice made it hard for the nation to produce its own
As the U.S. sees new tariffs, we look at how they can make or break an economy. In Haiti, U.S. policies forced the government to bring down tariffs on foreign goods, allowing American farmers to export crops cheaply. That made it...
TED-Ed
Do you really need to take 10,000 steps a day? | Shannon Odell
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...
PBS
How San Bernardino is fighting for a comeback after decades of decline
Political scientist Robert Putnam told Judy Woodruff that strengthening the country’s democracy would begin with grassroots efforts by people stepping up in their own communities. Those efforts will be her focus this year and she begins...
PBS
Agriculture school creates climate-aware approach to help small farmers feed Africa
Africa faces challenges as varied as its vast landmass. But one that’s shared by all 54 countries is how to feed a population of 1.2 billion that’s expected to double by 2050. Fred de Sam Lazaro reports on one attempt to build a...
TED Talks
Art, Conservation, and Resilience: Transforming Challenges into Change
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...
TED Talks
Rethinking Responsibility in the Digital Age
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...
TED-Ed
TED-Ed: The real reason polio is so dangerous | Dan Kwartler
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,...
TED-Ed
TED-Ed: 3 reasons why medications are so expensive in the US | Kiah Williams
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...
TED Talks
TED: Democracy is being tested. Citizen assemblies can help | Ketakandriana Rafitoson
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...
TED Talks
TED: A lens on Georgia's survival in the shadow of a superpower | Daro Sulakauri
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...
TED Talks
TED: A food system that fights climate change — instead of causing it | Gonzalo Muñoz
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...
TED Talks
TED: The hidden forces behind your food choices | Sarah Lake
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...
TED Talks
TED: Break the bad news bubble (Part 2) | Angus Hervey
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...
MinutePhysics
How To Tell If We're Beating COVID-19
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...
TED Talks
America's Gun Crisis: Will Change Come After the Latest Tragedy?
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...