TED Talk

March 19, 2019
What it takes to create social change against all odds | Ralph Nader

What it takes to create social change against all odds | Ralph Nader

Over his decades-long career as a political activist, Ralph Nader has helped expose some of the greatest misdeeds of large corporations. You may be familiar with the real-world changes his work sparked: the Clean Air Act, automobile safety laws, regulation of the tobacco industry and more. Tracing...

Sexual assault, shame and teaching kids to ask for help | Kristin Jones

Sexual assault, shame and teaching kids to ask for help | Kristin Jones

Sexual assault is never the victim's fault, says advocate Kristin Jones. In this courageous talk, she tells her story of overcoming the shame that followed sexual abuse as a teenager -- and shares how parents can foster an open conversation about abuse to empower kids and encourage them to ask...

How to reduce the wealth gap between Black and white Americans | Kedra Newsom Reeves

How to reduce the wealth gap between Black and white Americans | Kedra Newsom Reeves

The racial wealth gap in the United States is shocking: white families have a median wealth nearly 10 times greater than that of Black families. How did we get here, and how can we stop the gap from growing? Wealth equity strategist Kedra Newsom Reeves provides a short history on the origins and...

Could CBD help opioid users overcome addiction? | Yasmin Hurd

Could CBD help opioid users overcome addiction? | Yasmin Hurd

Could CBD, a chemical compound found in the cannabis plant, help treat opioid addiction? Neuroscientist Yasmin Hurd discusses why current treatment strategies, such as methadone, aren't enough to end the opioid epidemic -- and shares how CBD could help reduce the cravings and anxiety...

How businesses can serve everyone, not just shareholders | Dame Vivian Hunt

How businesses can serve everyone, not just shareholders | Dame Vivian Hunt

Companies worldwide are pledging to play a more meaningful role in the well-being of their employees, customers and the environment. How can they turn their promises into action? From creating a representative boardroom to committing to measurable sustainability goals, business leader Dame Vivian...

How Ikea is growing its business while shrinking emissions | Jesper Brodin and Pia Heidenmark Cook

How Ikea is growing its business while shrinking emissions | Jesper Brodin and Pia Heidenmark Cook

IKEA currently makes up 0.1 percent of all global carbon emissions -- but by 2030, they're planning to be carbon negative across their business. Discussing new thinking about the lifespan of their products, from the forest to the landfill, Jesper Brodin and Pia Heidenmark Cook of Ingka Group...

The life unfolding inside your cells, revealed in 3D | Gokul Upadhyayula

The life unfolding inside your cells, revealed in 3D | Gokul Upadhyayula

To understand how life works, you need to watch it in action, says bioimaging scientist Gokul Upadhyayula. Taking us down to the cellular level, he shares the work behind cutting-edge microscopes that capture and record, in three dimensions, the complex behaviors of living organisms -- from...

On time and water | Andri Snær Magnason

On time and water | Andri Snær Magnason

Over the next 200 years, we can expect all of the Earth's glaciers to disappear -- unless we act now, says writer Andri Snær Magnason. Telling the story of the Okjökull glacier in Iceland, the first glacier lost to climate change, Magnason explains why we need to start connecting to the future...

Our moral imperative to act on climate change -- and 3 steps we can take | His Holiness Pope Francis

Our moral imperative to act on climate change -- and 3 steps we can take | His Holiness Pope Francis

The global climate crisis will require us to transform the way we act, says His Holiness Pope Francis. Delivering a visionary TED Talk from Vatican City, the spiritual leader proposes three courses of action to address the world's growing environmental problems and economic inequalities,...

Apple's promise to be carbon neutral by 2030 | Lisa Jackson and Liz Ogbu

Apple's promise to be carbon neutral by 2030 | Lisa Jackson and Liz Ogbu

Under the leadership of Lisa Jackson, Apple's environment and social VP and former head of the EPA, the company is already carbon neutral within their own corporate and retail boundaries. By 2030, Apple hopes to extend carbon neutrality to their supply chain and consumers. In conversation with...

Lessons on leaving the world better than you found it | Sophie Howe

Lessons on leaving the world better than you found it | Sophie Howe

Sophie Howe is the world's only future generations commissioner, a new kind of government official tasked with advocating for the interests of generations to come and holding public institutions accountable for delivering long-term change. She describes some of the people-focused policies...

How to be a good ancestor | Roman Krznaric

How to be a good ancestor | Roman Krznaric

Our descendants own the future, but the decisions and actions we make now will tremendously impact generations to come, says philosopher Roman Krznaric. From a global campaign to grant legal personhood to nature to a groundbreaking lawsuit by a coalition of young activists, Krznaric shares examples...

This decade calls for Earthshots to repair our planet | Prince William

This decade calls for Earthshots to repair our planet | Prince William

"We start this new decade knowing that it is the most consequential period in history," says Prince William, The Duke of Cambridge. Inspired by President John F. Kennedy's "Moonshot," he calls on us all to rise to our greatest challenge ever: the "Earthshot." A...

Community-powered solutions to the climate crisis | Rahwa Ghirmatzion and Zelalem Adefris

Community-powered solutions to the climate crisis | Rahwa Ghirmatzion and Zelalem Adefris

Climate change is the epic challenge of our lives, and community leaders like Rahwa Ghirmatzion and Zelalem Adefris are already working on sustainable, resilient solutions. Through their organizations in Buffalo and Miami, they're focused on durable, affordable housing for under-resourced...

How we could make carbon-negative concrete | Tom Schuler

How we could make carbon-negative concrete | Tom Schuler

Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the world's biggest emitters of carbon. Entrepreneur Tom...

A concrete idea to reduce carbon emissions | Karen Scrivener

A concrete idea to reduce carbon emissions | Karen Scrivener

Concrete is the second most-used substance on Earth (behind water), and it's responsible for eight percent of the world's carbon footprint. Cement researcher Karen Scrivener shares the research behind a pioneering new kind of cement known as LC3, which could slash carbon emissions from...

How to decarbonize the grid and electrify everything | John Doerr and Hal Harvey

How to decarbonize the grid and electrify everything | John Doerr and Hal Harvey

"The good news is it's now clearly cheaper to save the planet than to ruin it," says engineer and investor John Doerr. "The bad news is: we are fast running out of time." In this conversation with climate policy expert Hal Harvey, the two sustainability leaders discuss why...

A "forest generation" living in harmony with nature | Ernestine Leikeki Sevidzem

A "forest generation" living in harmony with nature | Ernestine Leikeki Sevidzem

We need to care for and live in harmony with the environment, says climate and gender activist Ernestine Leikeki Sevidzem. The best way to do that? Nurture a forest generation: one that learns to protect nature. Sevidzem shares how she's educating both children and adults in her native...

The global movement to restore nature's biodiversity | Thomas Crowther

The global movement to restore nature's biodiversity | Thomas Crowther

Biodiversity is the key to life on Earth and reviving our damaged planet, says ecologist Thomas Crowther. Sharing the inside story of his headline-making research on reforestation, which led to the UN's viral Trillion Trees Campaign, Crowther introduces Restor: an expansive, informative...

24 hours on Earth -- in one image | Stephen Wilkes

24 hours on Earth -- in one image | Stephen Wilkes

"Nature reveals itself to us in unique ways, if we stop and look at the world through a window of time," says photographer Stephen Wilkes. Using a special photographic technique that reveals how a scene changes from day to night in a single image, Wilkes exposes the Earth's beautiful...

Climate change is our reality. Here's how we're taking action | Al Gore, Gloria Kasang Bulus, Nana Firman, Ximena Loría and Tim Guinee

Climate change is our reality. Here's how we're taking action | Al Gore, Gloria Kasang Bulus, Nana Firman, Ximena Loría and Tim Guinee

With the Climate Reality Project, Al Gore is helping mold future leaders to build the movement for climate survival and social justice from the ground up. He introduces us to four of the Project's graduates, each of whom confronts climate change on their own terms: Ximena Loría, founder of...

How cities are detoxing transportation | Monica Araya

How cities are detoxing transportation | Monica Araya

People around the world are demanding clean air -- and cities are starting to respond, says electrification advocate Monica Araya. She takes us on a world tour of urban areas that are working to fully electrify their transportation systems over the next decade, shifting to emission-free...

The energy Africa needs to develop -- and fight climate change | Rose M. Mutiso

The energy Africa needs to develop -- and fight climate change | Rose M. Mutiso

In this perspective-shifting talk, energy researcher Rose M. Mutiso makes the case for prioritizing Africa's needs with what's left of the world's carbon budget, to foster growth and equitably achieve a smaller global carbon footprint.

Fossil fuel companies know how to stop global warming. Why don't they? | Myles Allen

Fossil fuel companies know how to stop global warming. Why don't they? | Myles Allen

The fossil fuel industry knows how to stop global warming, but they're waiting for someone else to pay, says climate science scholar Myles Allen. Instead of a total ban on carbon-emitting fuels, Allen puts forth a bold plan for oil and gas companies to progressively decarbonize themselves and...

India's historic opportunity to industrialize using clean energy | Varun Sivaram

India's historic opportunity to industrialize using clean energy | Varun Sivaram

India has a historic opportunity to power its industrialization with clean energy -- and its energy choices will make or break the world's fight against climate change, says clean energy executive, physicist and author Varun Sivaram. Bringing on-the-ground experience as CTO of India's...

The city planting a million trees in two years | Yvonne Aki-Sawyerr

The city planting a million trees in two years | Yvonne Aki-Sawyerr

Yvonne Aki-Sawyerr, mayor of Freetown, Sierra Leone, is on a mission to plant a million trees over the next two years, increasing vegetation in her city by fifty percent while shoring up eroding riverbanks and increasing biodiversity. "This isn't just about planting trees; it's about...

The 15-minute city | Carlos Moreno

The 15-minute city | Carlos Moreno

Living in a city means accepting a certain level of dysfunction: long commutes, noisy streets, underutilized spaces. Carlos Moreno wants to change that. He makes the case for the "15-minute city," where inhabitants have access to all the services they need to live, learn and thrive within...

The joy of taking out the trash | Aparna Nancherla

The joy of taking out the trash | Aparna Nancherla

Comedian Aparna Nancherla loves to take out the trash. In this funny and sharp meditation on garbage -- "the stuff that our modern, consumerist, carbon-powered culture makes us buy endlessly, and often for no reason" -- she shares thoughts on how to use less in a world that's choking...

Amazon's climate pledge to be net-zero by 2040 | Dave Clark and Kara Hurst

Amazon's climate pledge to be net-zero by 2040 | Dave Clark and Kara Hurst

In 2019, Amazon signed the Climate Pledge, a commitment to become a net-zero carbon business by 2040. Dave Clark, Amazon's chief of consumer retail, and Kara Hurst, head of the company's sustainability efforts, sit down with entrepreneur and activist Lindsay Levin to discuss how the...

If trees could speak | Elif Shafak

If trees could speak | Elif Shafak

How do we tell stories of humanity and nature at a time when our planet is burning? Novelist Elif Shafak invites us to listen to the trees, whose experience of time, stillness and impermanence is utterly different from our own. "Hidden inside [their] story is the past and the future of...

To save the climate, we have to reimagine capitalism | Rebecca Henderson

To save the climate, we have to reimagine capitalism | Rebecca Henderson

"Business is screwed if we don't fix climate change," says economist Rebecca Henderson. In this bold talk, she describes how unchecked capitalism destabilizes the environment and harms human health -- and makes the case for companies to step up and help fix the climate crisis...

Kids are speaking up for the environment. Let's listen | Olafur Eliasson

Kids are speaking up for the environment. Let's listen | Olafur Eliasson

Known for big, attention-grabbing installations -- like his four towering waterfalls in New York's East River -- Olafur Eliasson has scaled down his latest project, Earth Speakr: an art platform for kids designed to spur budding climate activists to lead discussions on nature, conservation,...

Europe's plan to become the first carbon-neutral continent | Ursula von der Leyen

Europe's plan to become the first carbon-neutral continent | Ursula von der Leyen

With the ambitious goal of becoming the first carbon-neutral continent by 2050, the European Union has committed to creating a greener world for future generations. In this bold talk, Ursula von der Leyen, President of the European Commission, details the challenges and opportunities that come with...

Make your actions on climate reflect your words  | Severn Cullis-Suzuki

Make your actions on climate reflect your words | Severn Cullis-Suzuki

"History has shown us that in moments of crisis, society can truly transform," says environmental educator Severn Cullis-Suzuki. Nearly 30 years ago, at just 12 years old, she spoke at the UN's Earth Summit in hopes of reversing the planet's slide into ecological disaster. Some...

The case for stubborn optimism on climate | Christiana Figueres

The case for stubborn optimism on climate | Christiana Figueres

"This decade is a moment of choice unlike any we have ever lived," says Christiana Figueres, the architect of the historic 2015 Paris Agreement. The daughter of Costa Rica's beloved President José Figueres Ferrer, she shares how her father's unwillingness to lose the country he...

Climate justice can't happen without racial justice | David Lammy

Climate justice can't happen without racial justice | David Lammy

Why has there been so little mention of saving Black lives from the climate emergency? For too long, racial justice efforts have been distinguished from climate justice work, says David Lammy, Member of Parliament for Tottenham, England. In a stirring talk about building a new movement to care for...

The race to a zero-emission world starts now  | António Guterres

The race to a zero-emission world starts now | António Guterres

"If we don't act now on climate change, this coming century may be one of humanity's last," says António Guterres, Secretary-General of the United Nations. As the world recovers from the COVID-19 pandemic, Guterres urges us to use this moment to rebuild with ambitious climate...

Cities are driving climate change. Here's how they can fix it | Angel Hsu

Cities are driving climate change. Here's how they can fix it | Angel Hsu

Cities pump out 70 percent of all global carbon emissions -- which means they also have the greatest opportunity to lower CO2 levels and energy consumption. Climate and data scientist Angel Hsu shares how cities around the world are leading the response to climate change by innovating new,...

10 years to transform the future of humanity -- or destabilize the planet | Johan Rockström

10 years to transform the future of humanity -- or destabilize the planet | Johan Rockström

"For the first time, we are forced to consider the real risk of destabilizing the entire planet," says climate impact scholar Johan Rockström. In a talk backed by vivid animations of the climate crisis, he shows how nine out of the 15 big biophysical systems that regulate the climate --...

Civilization on the Moon -- and what it means for life on Earth | Jessy Kate Schingler

Civilization on the Moon -- and what it means for life on Earth | Jessy Kate Schingler

We could realistically see people starting to live and work on the Moon in the next decade -- and how we do it matters, says space policy researcher Jessy Kate Schingler. In this fascinating talk, she discusses the critical issues that arise when we consider civilization in outer space -- such as...

What kids can teach adults about asking for help | YeYoon Kim

What kids can teach adults about asking for help | YeYoon Kim

Do you need some help? It's OK to ask, says YeYoon Kim, a former kindergarten teacher who learned from her students how powerful and courageous it can be to reach out for support. Sharing the story of one of the most difficult periods in her life, Kim explores the happiness and joy that can...

An illustrated kingdom of real, fantastical plants | Nirupa Rao

An illustrated kingdom of real, fantastical plants | Nirupa Rao

Botanical artist Nirupa Rao captures the spirit and beauty of nature in watercolor. With a portfolio of enchanting, scientifically accurate illustrations, she aims to reignite our emotional connection to the environment -- and open our eyes to an entire kingdom hidden in plain sight.

Racism thrives on silence -- speak up! | Dexter Dias

Racism thrives on silence -- speak up! | Dexter Dias

Racism thrives on your silence and apathy, says human rights lawyer Dexter Dias. Telling the story of a harrowing UK court case that spotlights the corrosive effects of injustice, Dias urges us all to speak out and expose toxic myths about race -- in order to allow hope, change and justice to flourish.

The neuroscience of psychedelic drugs, music and nostalgia | Frederick Streeter Barrett

The neuroscience of psychedelic drugs, music and nostalgia | Frederick Streeter Barrett

How do music and psychedelics impact your brain? Neuroscientist Frederick Streeter Barrett discusses the specific neural regions activated when you listen to music and undergo the effects of psychedelic drugs like LSD or psilocybin (magic mushrooms). Learn about his research on how these...

The lie that invented racism | John Biewen

The lie that invented racism | John Biewen

To understand and eradicate racist thinking, start at the beginning. That's what journalist and documentarian John Biewen did, leading to a trove of surprising and thought-provoking information on the "origins" of race. He shares his findings, supplying answers to fundamental...

A global movement to solve global problems | Colombe Cahen-Salvador

A global movement to solve global problems | Colombe Cahen-Salvador

We need to think beyond national borders to solve global problems, says activist Colombe Cahen-Salvador. Reimagining the world's fractured systems of governance and calling out their ineffective responses to major issues -- from the coronavirus pandemic to climate change and human rights --...

The ancient, earth-friendly wisdom of Mongolian nomads | Khulan Batkhuyag

The ancient, earth-friendly wisdom of Mongolian nomads | Khulan Batkhuyag

There's a lot we can learn from Mongolian nomads about how to survive in the years to come, says environmental activist Khulan Batkhuyag. Taking us on a journey through the country's stunning rural landscape, she shows how Mongolian nomads have survived in remote areas for thousands of...

How humanity can reach the stars | Philip Lubin

How humanity can reach the stars | Philip Lubin

Could we exit our solar system, and enter another? Astrophysicist Philip Lubin discusses the awesome potential of using lasers to propel small spacecraft, enabling humanity's first interstellar missions. Learn how this transformative technology could help us reach Proxima Centauri, the nearest...

Why we must confront the painful parts of US history | Hasan Kwame Jeffries

Why we must confront the painful parts of US history | Hasan Kwame Jeffries

To move forward in the United States, we must look back and confront the difficult history that has shaped widespread injustice. Revisiting a significant yet overlooked piece of the past, Hasan Kwame Jeffries emphasizes the need to weave historical context, no matter how painful, into our...

3 secrets to Netflix's success | Reed Hastings

3 secrets to Netflix's success | Reed Hastings

What does it take to cultivate a culture of innovation and reinvention at work? Tracing his journey from math teacher to honesty-seeking executive, Netflix co-CEO Reed Hastings describes three key elements of a successful work culture, sharing how to design a company around inspiration, creativity...

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