When the world goes fully electric, what happens to the cars, tools and livelihoods that rely on fossil fuels? Civil engineer and environmental sociologist Emily Grubert visualizes what a clean energy future will look like, outlining the considerations everyone needs to undertake now as the critical, decades-long transition begins.

Why aren't more people investing in Africa's green energy? Environmental researcher Rebekah Shirley outlines the continent's immense potential for renewable power and calls for collaborative international investment -- and partnership -- in Africa's climate future. "Let's cut past the talk and focus on unleashing the avalanche of a clean energy future that Africa is ready to deliver," says Shirley.

When he learned of the threat that rising sea levels posed to his coastal hometown of Miami, Florida, eco-artist Xavier Cortada founded a movement around beautifully designed elevation markers highlighting the risk of flood damage. The collaborative art project quickly mobilized action -- and excited some controversy. Watch as Cortada offers a creative vision of community organizing inspired by art that engages, educates and empowers.

Neutrality isn't an option when it comes to the fight for personal and political freedom, says world-trotting journalist Christiane Amanpour. Offering context on some of the most significant stories impacting the world today, Amanpour details her experience covering the women-led protests ignited by the death of Mahsa Amini in Iran and shares insights on the war against totalitarianism in Ukraine, revealing realities missing from global reporting. (This conversation, hosted by TED current affairs curator Whitney Pennington Rodgers, was part of an exclusive TED Membership event on November 21, 2022. Visit ted.com/membership to become a TED Member.)

Land thrives in Indigenous hands, and there are real, tangible ways you can help return what was stolen by colonizers from tribes across North America. Indigenous scholar Lindsey Schneider addresses the ill-gotten legacy of settler colonialism with an introduction to the Land Back movement: the push to return stewardship of the Earth to its rightful guardians and restore balance to ecosystems for generations to come.

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's government. Hear why she decided to bring her climate activism into the electoral arena after decades of marching, protesting and civil disobedience -- and how anybody can join in and stand up for change. (This conversation, hosted by TEDWomen Editorial Director Pat Mitchell, was recorded on October 26, 2022.)

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 unites us, it becomes so much easier to have conversations about what divides us," she says.

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 found a way to revitalize neighborhoods experiencing hyper-vacancy while preventing gentrification -- supporting home buyers and transforming communities along the way.

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, failure and corporate death, analyzing the recent history of General Motors and Facebook to illustrate why we're better off with a lot less government intervention.

Imagine seeking safety abroad and instead being detained and forced to defend yourself in a high-stakes legal battle — alone. Law professor César Cuauhtémoc García Hernández explains how the asylum process in the US became warped into what we know today and poses a question that could lead the country out of its labyrinthian policies: In place of investing in more steel doors and barbed wire, what if immigration law was infused with support and justice?

Nobody really knows how much it would cost to avoid the worst impacts of climate change. Yet historian Yuval Noah Harari's analysis, based on the work of scientists and economists, indicates that humanity might avert catastrophe by investing the equivalent of just two percent of global GDP into climate solutions. He makes the case that preventing ecological cataclysm will not require the major global disruptions many fear and explains that we already have the resources we need -- it's just a matter of shifting our priorities.