At TED2010, Bill Gates unveils his vision for the world's energy future, describing the need for "miracles" to avoid planetary catastrophe and explaining why he's backing a dramatically different type of nuclear reactor. The necessary goal? Zero carbon emissions globally by 2050.

When we asked Bill Gates to curate a list of his favorite talks, his first response was, “There are too many to pick, really.” Here, he's whittled it down to 13 essentials.

Bill Gates hopes to solve some of the world's biggest problems using a new kind of philanthropy. In a passionate and, yes, funny 18 minutes, he asks us to consider two big questions and how we might answer them. (And see the Q&A on the TED Blog.)

America's school systems are funded by the 50 states. In this fiery talk, Bill Gates says that state budgets are riddled with accounting tricks that disguise the true cost of health care and pensions and weighted with worsening deficits -- with the financing of education at the losing end.

Philanthropist and Microsoft cofounder Bill Gates offers insights into the COVID-19 pandemic, discussing why testing and self-isolation are essential, which medical advancements show promise and what it will take for the world to endure this crisis. (This virtual conversation is part of the TED Connects series, hosted by head of TED Chris Anders...

Until recently, many teachers only got one word of feedback a year: "satisfactory." And with no feedback, no coaching, there's just no way to improve. Bill Gates suggests that even great teachers can get better with smart feedback -- and lays out a program from his foundation to bring it to every classroom.

In 2014, the world avoided a global outbreak of Ebola, thanks to thousands of selfless health workers -- plus, frankly, some very good luck. In hindsight, we know what we should have done better. So, now's the time, Bill Gates suggests, to put all our good ideas into practice, from scenario planning to vaccine research to health worker training....

Bill Gates talks best (and worst) case scenarios for the coronavirus pandemic in the months ahead, explaining the challenges of reducing virus transmission, providing an update on promising vaccine candidates, offering his thoughts on reopening and even taking a moment to address conspiracy theories circulating about himself. Stay tuned for his ...

A passionate techie, Bill Gates changed the world while leading Microsoft to dizzying success. Now he's doing it again through his global philanthropic work that strives to reduce inequity everywhere.

Bono picks 8 talks that express powerful ideas -- and shares exactly why each needs to be spread far and wide.

What we do (and don't) know about viruses, pandemics and the vaccines that combat them.

In 1993, Bill and Melinda Gates took a walk on the beach and made a big decision: to give their Microsoft wealth back to society. In conversation with Chris Anderson, the couple talks about their work at the Bill & Melinda Gates Foundation, as well as their marriage, their children, their failures and the satisfaction of giving most of their...

How can we create an education system that works for kids, instead of against them? Watch eight inspiring talks from TED's May 2013 PBS special, given in their entirety.

It's the question of our generation: Can we find a sustainable alternative to oil? Scientists, inventors and activists present stern warnings and visionary solutions for the energy of tomorrow.

The first TED was held in 1984. What kind of predictions did people make 30 years ago? (And did they turn out to be right?) Watch the world change over three decades in this nearly year-by-year playlist.

Head of TED Chris Anderson speaks with fascinating individuals to dig into some of the most provocative and powerful ideas of our time. (Made possible with the support of Lexus.)

Head of TED Chris Anderson speaks with fascinating individuals to dig into some of the most provocative and powerful ideas of our time. (Made possible with the support of Klick Health.)

It’s the giving season. And thus, we give you these great talks on the hows, whys and whats of generosity.

Melinda French Gates is cochair of the Bill & Melinda Gates Foundation, where she puts into practice the idea that every life has equal value.

Gain insights, wisdom and advice from visionaries at the top of their fields and industries.

Donald Sadoway is working on a battery miracle -- an inexpensive, incredibly efficient, three-layered battery using “liquid metal."

David Christian teaches an ambitious world history course that tells the tale of the entire universe -- from the Big Bang 13 billion years ago to present day.

With TED-Ed communicator Emilie Soffe as the leading lady, the TED staff puts on a show.

Glean interview skills and incredible insights from some of the greatest minds to sit down on the TED stage.

Sue Desmond-Hellmann leads the Bill & Melinda Gates Foundation’s mission to establish equity for every person.

Ellen Agler is passionate about improving the health and well-being of the most vulnerable members of our human family.

Curtis “Wall Street” Carroll overcame poverty, illiteracy, incarceration and a lack of outside support to become a stock investor, creator and teacher of his own financial literacy philosophy.

By using citizen journalism platforms, Meera Vijayann explores creative ways that young women can participate in politics and community matters.

This year at TED2011, we issued an unprecedented invitation to two global thinkers: Curate a session of TED. Juan Enriquez (watch his TEDTalks) brings his astonishingly broad perspective on global issues -- from the macro to the micro -- to Session 9 of this year's conference. His research and writing makes an excellent case that new bioscience,...