In June 2022, TED's climate initiative, Countdown, launched its Dilemma Series: events designed to look at some of the "knots" in the climate change space, where diverging positions have stalled progress and solidified into an inability t

We know capitalism exacerbates injustice and inequality worldwide. So how can we fix it? Professor and social entrepreneur Manish Bhardwaj thinks we need to integrate "moral clarity" -- which he defines as "doing the right thing because

What if we could use the power of DNA to create a sustainable, circular economy? In a talk about breakthrough science, synthetic biologist Jason W. Chin describes his team's work rewriting the genetic blueprint of cells to create a virus-resistant

From favorite moons to the search for alien life, astronomer Heidi Hammel discusses the latest in astronomy and the breakthrough innovations behind her work with NASA's James Webb Space Telescope. In conversation with science journalist Nadia Drake

Every conversation has the potential to open up and reveal all the layers and layers within it, all those rooms within rooms," says podcaster and musician Hrishikesh Hirway. In this profoundly moving talk, he offers a guide to deep conversations a

Actor and activist Jane Fonda discusses her frontline work fighting for climate action, including recent efforts to support climate-minded candidates running for office in the US and to break the fossil fuel industry's stranglehold on the country&#

Does success come from luck or skill, and how do you tell the difference? One way to find an answer: think like a pro gambler does, says football executive Rasmus Ankersen. Using sports analytics to emphasize his point, Ankersen digs into the reasons w

Youth leader Shreya Joshi diagnoses a key source of political polarization in the US and shows why having "uncomfortable conversations" with people you disagree with is crucial to bridging the divide. "When we are able to recognize what

Pakistan contributes less than one percent to the global greenhouse gas emissions perpetrating climate change, yet one-third of the country was recently inundated with “biblical” floods that killed hundreds and displaced millions. If we’re to move towa

Eighty percent of the world's biodiversity is within Indigenous territories, yet these communities often don't have a say when it comes to protecting the lands they inhabit. Environmental activist Jupta Itoewaki explains why Indigenous peoples

We know diversity, equity and inclusion (DEI) boosts creativity and profits, but progress has been slow: today, nearly 90 percent of Fortune 500 CEOs are white males. It’s time for leaders to become "rock stars" of inclusion -- and that start

Eating pizza with a stuffy nose just isn't as satisfying -- and there's a reason for that. Dr. Jen Gunter explains how our ability to smell and taste work together to give us a full sensory experience. So whether you're sniffing the caramel

If you think social media is powerful, keep an eye on immersive video games, says futurist Noah Raford. As more and more people are drawn into virtual worlds, the communities they forge are spawning real-world social movements. Raford urges us to recog

Whose pleasure is prioritized during sex, and why? Psychosexologist Karen Gurney explains how a lack of equal pleasure in the bedroom actually reflects broader gender inequality in society -- and asks you to reconsider what dynamics are at play, even b

Despite common belief, retirement takes more than financial planning. And while you may be beyond ready to go on permanent vacation, you also have to psychologically prepare for when the novelty wears off. Riley Moynes explains the four phases of retir

In an invitation to slow down and look at the world around you, graphic journalist Wendy MacNaughton illustrates how drawing can spark deeply human, authentic connections. Ready to try? Grab a pencil and join MacNaughton for this delightful talk. "

Nearly fifteen percent of the world's population lives with a disability, yet this massive chunk of humanity is still routinely excluded from opportunities. Sharing her experience growing up with an autistic sister, disability inclusion advocate Me

Climate action has historically had a gender-neutral lens, but this lack of intentionality allows underlying biases to sneak in and negatively impact women, says gender and climate researcher Zineb Sqalli. Using Vienna, Austria's gender-equal urban

To get young kids to thrive in school, we need to do more than teach them how to read and write -- we need to teach them how to manage their emotions, says educator Olympia Della Flora. In this practical talk, she shares creative tactics she used to he

Conservation champion and TED Fellow Adjany Costa is on a mission to empower Indigenous communities. Instead of imposing pre-designed policy and plans on local people, she says, conservation efforts should center those who know the land best, enabling

How do you raise kids to step outside of their comfort zones and unlock their inner potential? It all starts with helping them develop a resilient mindset. Mother and business owner Tameka Montgomery makes the case for cultivating an entrepreneurial ou

The housing market can be vexing: while some neighborhoods get ridiculously expensive and price out longtime residents, others have historic homes sitting vacant without demand. Equitable housing developer and TED Fellow Bree Jones shares how she

Feeling safe is a human right -- but in many African countries, colonial-era laws make it dangerous for LGBTQIA+ people to gather and share their sexual orientation, gender identity or gender expression. Creating a space that leaves no room for discrim

You may need to hear this (if you haven't already): your job is not your family. While you can develop meaningful relationships with your colleagues, calling work your family can actually breed burnout and be detrimental to your mental and emotiona

Expensive to build and often needing highly skilled engineers to maintain, artificial intelligence systems generally only pay off for large tech companies with vast amounts of data. But what if your local pizza shop could use AI to predict which flavor

We’re going to be building on the Moon this decade -- and next will be Mars, says space architect Melodie Yashar. In a visionary talk, she introduces her work designing off-world shelters with autonomous robots and 3D printers and explores how it might

Does the key to stopping cancer lie in the heart? Cardiologist Nicholas Leeper digs into emerging scientific research on the link between the world's two leading causes of death, heart disease and cancer, sharing how their biological origins may be

“Be spreaders of facts and truths,” says scientist and immunologist Dr. Anthony Fauci. Having advised seven US presidents on various disease outbreaks including COVID-19, he shares insights on the present and future of pandemics, backed up by decades o

Low-status neighborhoods in the US are often stuck between stagnating assistance from the government and gentrification at the hands of real estate developers. The result is that the brightest minds are convinced that "success" means leaving

Philanthropy disruptor Sara Lomelin thinks communities can build power through collective giving, or what she calls “giving circles”: groups of people with shared values who come together to make change, strengthen their social fabric and help diverse

Nuclear power is one of the safest, cleanest forms of energy -- yet to most people, it might not feel that way. Why is that? Isabelle Boemeke, the world’s first nuclear energy influencer and creator of the social media persona Isodope, deftly debunks t

“We all have our own beautiful ways of moving, and this is worth celebrating,” says dancer and choreographer Ryan Heffington. Inviting you to reconsider your connection to dance, he shows how even everyday experiences -- tying your shoes, rocking a bab

Is art worth it? "Hell yeah," says graphic novelist R. Alan Brooks -- art has the power to scare dictators, inspire multitudes and change hearts and minds across the world. Reflecting on his journey to become an artist at a time when the worl

What does it mean to lead in this new age of employee activism? Megan Reitz offers a four-point crash course on what employees want from their organizations and how leaders can rise to the challenge of building proactive and productive workplaces where

Creating functional prosthetics at a fraction of the cost of imported tech, bionic innovator and TED Fellow Enzo Romero shares a groundbreaking model for designing 3D-printed assistive technology sourced from recycled materials -- built in and for his

Mass surveillance is worse than you think, but the solutions are simpler than you realize, says lawyer, technologist and TED Fellow Albert Cahn. Breaking down the crude tactics law enforcement uses to sweep up massive amounts of data collected about us

How do you rediscover a happier, more purpose-driven (and less productivity-obsessed) self in the wake of the pandemic? Quiz yourself alongside work futurist Dominic Price as he lays out a simple yet insightful four-part guide to assessing your life in

As climate change accelerates, finding clean alternatives to fossil fuels is more urgent than ever. Social entrepreneur Vaitea Cowan believes green hydrogen is the answer. Watch as she shares her team’s work mass producing electrolyzers -- devices that

What if you could create new music using your favorite musician's voice? Sharing her melodic gifts with the world, multidisciplinary artist Holly Herndon introduces Holly+, an AI-powered instrument that lets people sing with her own voice. Musician

Among the dinosaurs, giant sea dragons roamed the ancient ocean. Millions of years later, paleontologist Dean R. Lomax and his team freed the remains of one of these colossal creatures from the Earth. Settle in to learn about the once-in-a-lifetime dis

We're so used to narratives out of Africa being about war, poverty and devastation, says TED Fellow Wanuri Kahiu. Where's the fun? Introducing "AfroBubbleGum" -- African art that's vibrant, lighthearted and without a political age

Is capitalism a good thing? Journalist Katherine Mangu-Ward makes the case that “weirdos” left alone to innovate and explore far-out ideas in a free market system are our best hope for the future. She asks us to reconsider our qualms about capitalism,

While doctors take an oath to do no harm, there's a good chance their unconscious biases can seep into how seriously they take your pain. Physician Sheetal DeCaria explains how perception impacts the medical care and treatment of chronic pain -- an

"When teachers and families work together, everyone wins," says education technology entrepreneur and TED Fellow Heejae Lim. She shines a light on an underutilized resource in US public education -- a family's love for their children -- a

Chemical plants create many of the materials found in everyday items, from the shoes you wear to the car you drive to the cell phone in your pocket. But the massive carbon footprint from chemical manufacturing is leading to climate breakdown. Sustainab

Digital creator Dylan Marron has racked up millions of views for projects like "Every Single Word" and "Sitting in Bathrooms With Trans People" -- but he's found that the flip side of success online is internet hate. Over time,

The price of insulin in the US is both outrageous and deadly to those who can't live without it. Diabetes advocate Brooke Bennett shares her own struggles living with type 1 diabetes and how the astronomical cost of a life-saving drug leaves millio

Neuroscientist Sergiu P. Pasca has made it his life's work to understand how the human brain builds itself -- and what makes it susceptible to disease. In a mind-blowing talk laden with breakthrough science, he shows how his team figured out how to

With quick wit and sharp insight, writer Jeanette Winterson lays out a vision of the future where human and machine intelligence meld -- forming what she calls “alternative intelligence” -- and takes a philosophical look at our species, asking: Are we

"The metaverse is already on fire, and we haven't even built it yet," says TED Fellow and video game lawyer Micaela Mantegna. She lays out why the metaverse is at risk of inheriting some of the internet's worst traits, like unchecked