Alan Siegel: Let's simplify legal jargon! David Bismark: E-voting without fraud. Alex Steffen sees a sustainable future. Cameron Sinclair on open-source architecture. Michael Pawlyn: Using nature's genius in architecture. Rachel Armstrong: Architecture that repairs itself? Mitchell Joachim: Don't build your home, grow it! Thomas Heatherwick: Building the Seed Cathedral. Jane Poynter: Life in Biosphere 2. Majora Carter: Greening the ghetto.
Robert Hammond: Building a park in the sky. William McDonough on cradle to cradle design. David Kelley on human-centered design. Kamal Meattle on how to grow fresh air. Britta Riley: A garden in my apartment. Magnus Larsson: Turning dunes into architecture. Ross Lovegrove shares organic designs.
Paul Romer: The world's first charter city? Joshua Prince-Ramus on Seattle's library. Marcin Jakubowski: Open-sourced blueprints for civilization. Thom Mayne on architecture as connection. Geoffrey West: The surprising math of cities and corporations. Joshua Prince-Ramus: Building a theater that remakes itself.
Robert Neuwirth on our "shadow cities" Stewart Brand on squatter cities. Paul Collier on the "bottom billion" Jaime Lerner sings of the city. Gary Lauder's new traffic sign: Take Turns. Charlie Todd: The shared experience of absurdity. Alex Steffen: The shareable future of cities. Saul Griffith on everyday inventions. Pattie Maes and Pranav Mistry demo SixthSense.
Adam Grosser and his sustainable fridge. Zach Kaplan and Keith Schacht demo toys from the future. Jamais Cascio on tools for a better world. Seth Godin: This is broken.
Shai Agassi's bold plan for electric cars. Eric Giler demos wireless electricity. Bill Gates on energy: Innovating to zero! Saul Griffith's kites tap wind energy. William Kamkwamba: How I harnessed the wind. John La Grou plugs smart power outlets. Justin Hall-Tipping: Freeing energy from the grid.
George Whitesides: A lab the size of a postage stamp. Ernest Madu on world-class health care. Peter Reinhart on bread. Carolyn Steel: How food shapes our cities. Dave Eggers' wish: Once Upon a School. Seth Godin on the tribes we lead. Gustavo Dudamel leads El Sistema's top youth orchestra. Salman Khan: Let's use video to reinvent education. Bill Gates on mosquitos, malaria and education. John Hardy: My green school dream.