Lighting up the TED stage, Nobel laureate Al Gore takes stock of the current state of climate progress and calls attention to institutions that have failed to honor their promises by continuing to pour money into polluting sectors. He explains how the financial interests of fossil fuel companies have blocked the policymaking process in key count...

With the same humor and humanity he exuded in "An Inconvenient Truth," Al Gore spells out 15 ways that individuals can address climate change immediately, from buying a hybrid to inventing a new, hotter brand name for global warming.

Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A with TED curator Chris Anderson)

In this brand-new slideshow (premiering on TED.com), Al Gore presents evidence that the pace of climate change may be even worse than scientists recently predicted. He challenges us to act.

On his first day as president, Joe Biden signed a letter of acceptance that set in motion the 30-day process for the United States to re-join the Paris Agreement on climate. On the day the US returns to the accord, John Kerry, the US Special Envoy for Climate, sits down with Nobel Laureate Al Gore to discuss the make-or-break decade ahead of us....

A net-zero future is possible, but first we need to flip a mental switch to truly understand that we can stop the climate crisis if we try, says Nobel laureate Al Gore. In this inspiring and essential talk, Gore shares examples of extreme climate events (think: fires, floods and atmospheric tsunamis), identifies the man-made systems holding us b...

At TED2009, Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his stance on "clean coal."

The coronavirus brought much of the world to a standstill, dropping carbon emissions by five percent. Al Gore says keeping those rates down is now up to us. In this illuminating interview, he discusses how the steadily declining cost of wind and solar energy will transform manufacturing, transportation and agriculture, offer a cheaper alternativ...

Floods, droughts, heat waves and cold blasts -- why is the weather becoming more extreme? Environmentalist and "America's weatherman" Al Roker discusses the link between climate change and disruptions to weather patterns worldwide, followed by a conversation between Nobel laureate Al Gore and TED science curator David Biello about the science of...

The climate crisis demands leadership at every level. Governments, cities and businesses are three key players in designing and implementing the necessary transition -- and putting climate back on the political and social agenda. Session 2 of the Countdown Global Launch, hosted by Al Gore and Jaden Smith, features Severn Cullis-Suzuki, Ursula vo...

This whimsical wrap-up of TED2006 -- presented by Einstein, the African grey parrot, and her trainer, Stephanie White -- simply tickles. Watch for the moment when Einstein has a moment with Al Gore.

Singer Amanda Palmer pays tribute to the inimitable David Bowie with a cover of "Space Oddity." She's joined onstage by Jherek Bischoff, TED Fellow Usman Riaz and, no, your eyes are not deceiving you, none other than former Vice President Al Gore.

Satirist Tom Rielly delivers a wicked parody of the 2006 TED conference, taking down the $100 laptop, the plight of the polar bear, and people who mention, one too many times, that they work at Harvard. Watch for a special moment between Tom and Al Gore.

What is COP26? Here's what you need to know about the crucial UN climate conference set to take place in Glasgow, Scotland from October 31-November 12, 2021. Featuring climate advocate Al Gore; Paris Climate Agreement architect Christiana Figueres; minister and activist Rev. Lennox Yearwood Jr.; UN High Level Climate Action Champion for COP25 Go...

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 Misión 2 Grados, an NGO influencing public policy in Cen...

Transforming big systems is a huge task. Energy, transportation, industry and infrastructure all pose their own challenges. And yet that transformation is already happening. Session 3 of the Countdown Global Launch, hosted by Jane Fonda and Xiye Bastida, features Varun Sivaram, Myles Allen, Rose M. Mutiso, Monica Araya, Al Gore, Gloria Kasang Bu...

In her talk, Ali Carr-Chellman pinpoints three reasons boys are tuning out of school in droves, and lays out her bold plan to re-engage them: bringing their culture into the classroom, with new rules that let boys be boys, and video games that teach as well as entertain.

Witness the unveiling of Countdown, a major global campaign to cut greenhouse gas emissions. TED has partnered with scientists, policy makers, organizations, activists and more to create an initiative that everyone in the world can be part of. Check out http://countdown.ted.com to learn how you can get involved — and help turn the tide on climat...

Combining new TED Talks with live performances, short films, expert conversations and more, the Countdown Global Livestream event vividly explains the climate crisis, focusing on solutions and calling for leaders and citizens everywhere to step up. Hosted by Latif Nasser, with appearances by AsapSCIENCE, Don Cheadle, TED science curator David Bi...

Software developer Mike Matas demos the first full-length interactive book for the iPad -- with clever, swipeable video and graphics and some very cool data visualizations to play with. The book is "Our Choice," Al Gore's sequel to "An Inconvenient Truth."

Why do people feel so miserable and disengaged at work? Because today's businesses are increasingly and dizzyingly complex -- and traditional pillars of management are obsolete, says Yves Morieux. So, he says, it falls to individual employees to navigate the rabbit's warren of interdependencies. In this energetic talk, Morieux offers six rules f...

A more equal world starts with you. Citing a formative moment from her own life, equity advocate Dwinita Mosby Tyler highlights why showing up and fighting for others who face injustices beyond your own lived experience leads to a fairer, more just future for all.

Al Seckel, an expert on illusions, explores the perceptual illusions that fool our brains. He shares loads of cool tricks to prove that not only are we easily fooled, we kind of like it.

Technologist Galit Ariel believes that humanity's final frontier is the mind-blowing, space-bending technology known as augmented reality. Our bodies and minds are wired for rich physical interactions, and AR adds a digital layer directly onto or within our existing environment -- to transform our living rooms into lush jungles, for example. The...

Rural villages worldwide are being deserted, as billions of people flock to cities to live in teeming squatter camps and slums. Stewart Brand says this is a good thing. Why? It'll take you 3 minutes to find out.

Climate change is here, it's real, and it didn't happen overnight. Over the past 150 years, human activities like manufacturing, transportation, commercial agriculture and energy production have created a blanket of carbon pollution that's changed the Earth's ecosystems. But even though the climate crisis is deep-rooted and complex, we can't jus...

Can global capital markets become catalysts for social change? According to investment expert Audrey Choi, individuals own almost half of all global capital, giving them (us!) the power to make a difference by investing in companies that champion social values and sustainability. "We have more opportunity today than ever before to make choices,"...

In this brief talk, Saul Griffith unveils the invention his new company Makani Power has been working on: giant kite turbines that create surprising amounts of clean, renewable energy.

Do you have a TED Talk inside, just bursting to come out? Take this tongue-in-cheek musical journey to "Give Your Talk." A musical love letter to our speakers -- written, directed and performed by the TED staff.

Rich scientific evidence comes from the history of life on Earth -- we just have to ask the right questions to find it. Whether it's figuring out the cause of the dodo bird's extinction or the bite force of a Tyrannosaurus rex, paleontologist Michael Benton shares some offbeat quandaries from the past, present and future.