2024 will be a dangerous year for the world, says Ian Bremmer, president and founder of Eurasia Group and GZERO Media. Forecasting the top geopolitical risks set to play out in the months to come, he untangles what's in store for the war in Ukraine, the state of the Israel-Hamas conflict and the tensions putting democracy in the United States to the test — all while AI continues to evolve faster than governments can regulate it. (This interview, hosted by TED's Helen Walters, was recorded on January 8, 2024.)

What would happen to humanity if generosity went viral? Sharing transformative stories from around the world, head of TED Chris Anderson outlines why the time has come for the internet to realize its power to supercharge small acts of kindness, changing lives at a scale never experienced before. Learn how to cultivate a generous mindset — with or without giving money — and get inspired with tools to amplify your impact. "Be brave. Give what you can, and then be absolutely amazed at what happens next," Anderson says.

A Chinese saying goes, "There's no pleasure in eating without meat." And the data backs that up: every year, China consumes 26 percent of the world's meat and 45 percent of its seafood — numbers that could grow alongside rising incomes. Impact investor Tao Zhang shows why getting Chinese consumers to switch to plant-based alternatives is vital to tackling climate change and explores how it's also a massive business opportunity to bring tasty, affordable new proteins to market.

Climate innovation leader Rich Powell dives into the bureaucracy, bottlenecks and not-in-my-backyard attitude preventing the US from achieving its green energy goals, warning that we need about 10,000 new clean energy projects to be built in the US this decade if we're to reach net zero by 2050. Learn more about what's needed to fight NIMBYism, get serious about the energy transition — and get out of our own way.

All jobs, especially those held by frontline workers, should have dignity and the ability to turn into great careers, says change management expert Adriann Negreros. From shift flexibility to ending work on time, he outlines what he calls the "handbook of humanity" — people-centered ideas for change, rooted in empathy — that, when implemented, can redefine the nature of frontline work.

"Everybody pees and poops — and we know that urine and stool contain a rich source of information on our health," says data detective Newsha Ghaeli. Exploring the growing field of wastewater epidemiology, she shows how studying sewage can (anonymously) reveal a lot about the collective well-being of our cities — leading to real-time quality-of-life improvements like tracking pandemics, updating social policies and much more.

In a globe-trotting career that has spanned corporations, governments, nonprofits and philanthropy, Rosita Najmi has often found herself translating among them. Instead of focusing on leadership style, she makes the case for becoming fluent in the languages of leadership, explaining how it can help you adapt to audiences across industries and collectively achieve your goals.

Cartoonist Liana Finck's drawings hold our hands through life's predicaments, big and small: dating, breakups, what to make for dinner, how to leave a party without being rude, how to think about our relationship with God. In a funny, moving talk, she shares some of her drawings and shows how she uses creativity to navigate false starts and cluelessness in the search for belonging.

At work, the dreamers often get credit for the big ideas, but they can also sometimes seem untethered to reality to the doers, who are trying to ... get things done. It's when these two types of humans work in harmony that business magic happens, says culture strategist Beth Viner. She lays out a practical blueprint for harnessing the dreamer's out-of-the-box thinking and the doer's practicality, showing why it's the key to building, growing and innovating in any relationship or organization.

We're fast approaching a world where widespread, hyper-realistic deepfakes lead us to dismiss reality, says technologist and human rights advocate Sam Gregory. What happens to democracy when we can't trust what we see? Learn three key steps to protecting our ability to distinguish human from synthetic — and why fortifying our perception of truth is crucial to our AI-infused future.