- Jason Clay at TEDGlobal 2010: How big brands can help save biodiversity - Watch video
- Lewis Pugh at TEDGlobal 2010: Lewis Pugh's mind-shifting Mt. Everest swim - Watch video
- Lisa Margonelli at TEDxOilSpill: The political chemistry of oil - Watch video
- Carl Safina at TEDxOilSpill: The oil spill's unseen culprits, victims - Watch video
- Susan Shaw at TEDxOilSpill: The oil spill's toxic trade-off - Watch video
- Sylvia Earle at ideaCity 2010: Oceanographer Dr. Sylvia Earle has led more... - Watch video
- Rachel Sussman at Gel 2010: The Oldest Living Things in the World - Watch video
- John Delaney at TED Mission Blue Voyage: Wiring an interactive ocean - Watch video
- Sylvia Earle at TED Mission Blue Voyage: Sylvia Earle's TED Prize wish to protect our oceans - Watch video
- Jeremy Jackson at TED Mission Blue Voyage: How we wrecked the ocean - Watch video
- Enric Sala at TED Mission Blue Voyage: Glimpses of a pristine ocean - Watch video
- Roz Savage at TED Mission Blue Voyage: Why I'm rowing across the Pacific - Watch video
- Brian Skerry at TED Mission Blue Voyage: Brian Skerry reveals ocean's glory -- and horror - Watch video
- Edith A. Widder at TED Mission Blue Voyage: Glowing life in an underwater world - Watch video
- Dan Barber at TED2010: How I fell in love with a fish - Watch video
- Bill Gates at TED2010: Innovating to zero - Watch video
- Graham Hill at TED2010: Why I'm a weekday vegetarian - Watch video
- John Kasaona at TED2010: How poachers became caretakers - Watch video
- Juliana Machado Ferreira at TED2010: The fight to end rare-animal trafficking in Brazil - Watch video
- Catherine Mohr at TED2010: Building green - Watch video
- Gernout Erens at TEDxAmsterdam 2009: Wattcher - Watch video
- Charles Anderson at TEDIndia: Discovering dragonflies that cross oceans - Watch video
- Anupam Mishra at TEDIndia: The ancient ingenuity of water harvesting - Watch video
- Kartick Satyanarayan at TEDIndia: How we rescued the "dancing" bears - Watch video
- Romulus Whitaker at TEDIndia: The real danger lurking in the water - Watch video
- Bill Davenhall at TEDMED2009: Can your health depend on where you live? - Watch video
- Eben Bayer at PopTech 2009: Bio-packaging - Watch video
- Chris Jordan at PopTech 2009: Polluting plastics - Watch video
- Paula Kahumbu at PopTech 2009: Conservation 2.0 - Watch video
- Katy Payne at PopTech 2009: Elephant Songs - Watch video
- Willie Smits at PopTech 2009: Saving Rainforests - Watch video
- James Balog at TEDGlobal 2009: Time-lapse proof of extreme ice loss - Watch video
- Rachel Pike at TEDGlobal 2009: The science behind a climate headline - Watch video
- Lewis Pugh at TEDGlobal 2009: Lewis Pugh swims the North Pole - Watch video
- Eric Sanderson at TEDGlobal 2009: Eric Sanderson pictures New York -- before the City - Watch video
- Maude Barlow at ideaCity 2009: The end of water? - Watch video
- Rob Stewart at ideaCity 2009: Fighting for sharks - Watch video
- Graham Hill at Gel 2009: Three easy steps - Watch video
- Jane Poynter at TEDxUSC 2009: Life in Biosphere 2 - Watch video
- Yann Arthus-Bertrand at TED2009: Yann Arthus-Bertrand captures fragile Earth in wide-angle - Watch video
- Jonathan Drori at TED2009: Why we're storing billions of seeds - Watch video
- Sylvia Earle at TED2009: Here's how to protect the blue heart of the planet (TED Prize winner!) - Watch video
- Al Gore at TED2009: Al Gore warns on latest climate trends - Watch video
- Kamal Meattle at TED2009: How to grow your own fresh air - Watch video
- Charles Moore at TED2009: Sailing the Great Pacific Garbage Patch - Watch video
- Nalini Nadkarni at TED2009: Unveiling the beautiful, fragile world of rainforest treetop ecosystems - Watch video
- Willie Smits at TED2009: A 20-year tale of hope: How we re-grew a rainforest - Watch video
- Kevin Surace at TED2009: Kevin Surace invents eco-friendly drywall - Watch video
- Margaret Wertheim at TED2009: Margaret Wertheim on the beautiful math of coral - Watch video
- Adam Savage at EG08: My quest for the dodo bird, and other obsessions - Watch video