• Glenn Greenwald is the investigative journalist who lead to expose and explain the Edward Snowden documents. He is a former constitutional lawyer who co-founded The Intercept and whose NSA reporting won the 2014 Pulitzer Prize for Public Service.

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

Glenn Greenwald

Glenn Greenwald, a former constitutional lawyer, is an investigative journalist who co-founded The Intercept and whose NSA reporting won the 2014 Pulitzer Prize for Public Service.

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

The Yes Men

The Yes Men (Andy Bichlbaum and Mike Bonanno) are activists who employ a unique method they have dubbed Identity Correction.

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

Severn Cullis-Suzuki

Severn Cullis-Suzuki is an environmental activist, board member of the David Suzuki Foundation, and writer.

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

Vandana Shiva

Dr. Vandana Shiva is an author, activist and scientific advisor who is changing the way the world thinks about food security and environmental sustainability.

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

Alex Grey

Alex Grey is a visionary artist and co-founder of the Chapel of Sacred Mirrors (CoSM). 

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

Jehane Noujaim

Jehane Noujaim is director of the Academy Award nominated documentary feature "The Square", and a TED fellow.

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

Boots Riley

Singer for The Coup, political organizer, screenwriter, activist.

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speaking at TEDGlobal 2014, South, Session 2 - Digital Reboot, October 5-10, 2014, , Copacabana beach, Rio de Janeiro, Brazil. Photo: James Duncan Davidson/TED

Groucho Fractal

Groucho Fractal is an interactive and interdisciplinary presentation focusing on the theme of "sustainable futurism", the idea of pushing boundaries with new inventions and emerging technologies while giving consideration to their environmental, social and psychological impact.

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Majora Carter redefined the field of environmental equality, starting in the South Bronx at the turn of the century. Now she is leading the local economic development movement across the USA.

Majora Carter

Majora Carter redefined the field of environmental equality, starting in the South Bronx at the turn of the century. Now she is leading the local economic development movement across the USA.

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Majora Carter redefined the field of environmental equality, starting in the South Bronx at the turn of the century. Now she is leading the local economic development movement across the USA.

DJ Spooky (aka Paul D. Miller)

DJ Spooky is a sought after lecturer, executive editor of ORIGIN Magazine and a composer, multimedia artist and author.

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Majora Carter redefined the field of environmental equality, starting in the South Bronx at the turn of the century. Now she is leading the local economic development movement across the USA.

Steve Roggenbuck

Steve Roggenbuck is an internet poet and straightedge vegan blogger. Steve is to poetry what dinosaurs are in general.

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Majora Carter redefined the field of environmental equality, starting in the South Bronx at the turn of the century. Now she is leading the local economic development movement across the USA.

Amanda Sage

A visionary artist using her painting as a tool for spiritual and planetary growth and transformation.

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Majora Carter redefined the field of environmental equality, starting in the South Bronx at the turn of the century. Now she is leading the local economic development movement across the USA.

Mark Frauenfelder

Mark Frauenfelder is editor-in-chief of MAKE magazine and founder and co-editor of BoingBoing.net.

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Sonic alchemist, DJ, creator of OMstep, multi-dimensional digital artist

Imagika Om

Sonic alchemist, DJ, creator of OMstep, multi-dimensional digital artist

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Sonic alchemist, DJ, creator of OMstep, multi-dimensional digital artist

Eugene Jarecki

director of THE HOUSE I LIVE IN and WHY WE FIGHT

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Sonic alchemist, DJ, creator of OMstep, multi-dimensional digital artist

Tim Pool

Livestreaming journalist and founder of TimCast.TV

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