Parag Khanna How megacities are changing the map of the world
"I want you to reimagine how life is organized on earth," says global strategist Parag Khanna. As our expanding cities grow ever more connected through transportation, energy and communications networks, we evolve from geography to what he calls "connectography." This emerging global network civilization holds the promise of reducing pollution and inequality — and even overcoming geopolitical rivalries. In this talk, Khanna asks us to embrace a new maxim for the future: “Connectivity is destiny.”
George Papandreou Imagine a European democracy without borders
Greece has been the poster child for European economic crisis, but former Prime Minister George Papandreou wonders if it's just a preview of what's to come. “Our democracies," he says, "are trapped by systems that are too big to fail, or more accurately, too big to control” — while "politicians like me have lost the trust of their peoples." How to solve it? Have citizens re-engage more directly in a new democratic bargain.
Eric Berlow and Sean Gourley Mapping ideas worth spreading
What do 24,000 ideas look like? Ecologist Eric Berlow and physicist Sean Gourley apply algorithms to the entire archive of TEDx Talks, taking us on a stimulating visual tour to show how ideas connect globally.
Harald Haas Forget Wi-Fi. Meet the new Li-Fi Internet
What if we could use existing technologies to provide Internet access to the more than 4 billion people living in places where the infrastructure can't support it? Using off-the-shelf LEDs and solar cells, Harald Haas and his team have pioneered a new technology that transmits data using light, and it may just be the key to bridging the digital divide. Take a look at what the future of the Internet could look like.
Taiye Selasi Don’t ask where I’m from, ask where I’m a local
When someone asks you where you’re from … do you sometimes not know how to answer? Writer Taiye Selasi speaks on behalf of “multi-local” people, who feel at home in the town where they grew up, the city they live now and maybe another place or two. “How can I come from a country?” she asks. “How can a human being come from a concept?”
James B. Glattfelder Who controls the world?
James Glattfelder studies complexity: how an interconnected system — say, a swarm of birds — is more than the sum of its parts. And complexity theory, it turns out, can reveal a lot about how the economy works. Glattfelder shares a groundbreaking study of how control flows through the global economy, and how concentration of power in the hands of a shockingly small number leaves us all vulnerable. (Filmed at TEDxZurich.)
Hugh Evans What does it mean to be a citizen of the world?
Hugh Evans started a movement that mobilizes “global citizens,” people who self-identify first and foremost not as members of a state, nation or tribe but as members of the human race. In this uplifting and personal talk, learn more about how this new understanding of our place in the world is galvanizing people to take action in the fights against extreme poverty, climate change, gender inequality and more. “These are ultimately global issues,” Evans says, “and they can only be solved by global citizens demanding global solutions from their leaders.”
Rodrigo Bijou Governments don't understand cyber warfare. We need hackers
The Internet has transformed the front lines of war, and it's leaving governments behind. As security analyst Rodrigo Bijou shows, modern conflict is being waged online between non-state groups, activists and private corporations, and the digital landscape is proving to be fertile ground for the recruitment and radicalization of terrorists. Meanwhile, draconian surveillance programs are ripe for exploitation. Bijou urges governments to end mass surveillance programs and shut "backdoors" — and he makes a bold call for individuals to step up.
Siyanda Mohutsiwa How young Africans found a voice on Twitter
What can a young girl with an idea, an Internet connection and a bit of creativity achieve? That's all Siyanda Mohutisiwa needed to unite young African voices in a new way. Hear how Mohutisiwa and other young people across the continent are using social media to overcome borders and circumstance, accessing something they have long had to violently take: a voice.