Oceanographer John Delaney is leading a team to construct an underwater network of high-definition cameras and sensors. This

Oceanographer John Delaney is leading a team to construct an underwater network of high-definition cameras and sensors. This project aims to transform our oceans into a global interactive lab, generating an abundance of data about the world below.

Delaney, a Professor of Oceanography at the University of Washington, is also Principal Investigator and Director of the Regional Scale Nodes Program, holding the Jerome M. Paros Endowed Chair in Sensor Networks. His innovative work is featured on TED.com.

John Cumming, founder and chairman of POWDR, an adventure lifestyle company, was interviewed by Teri Orr, founder of TEDxParkCity. Their discussion explored how climate change impacts mountain

John Cumming, founder and chairman of POWDR, an adventure lifestyle company, was interviewed by Teri Orr, founder of TEDxParkCity. Their discussion explored how climate change impacts mountain resorts, other snow-dependent businesses, and the winemaking industry, in which Cumming is also involved.

POWDR's portfolio includes nine mountain resorts, such as Copper Mountain and Snowbird, along with Woodward camps and progression centers like Woodward Park City. Cumming also owns Crimson Wine and Copper Moose Farm.

This talk was given at an independently organized TEDx event. Learn more at https://www.ted.com/tedx.

John Hearin, Ph.D., explores the critical importance of our world's beaches as cultural treasures and vital economic engines. He will explain common methods for protecting these essential

John Hearin, Ph.D., explores the critical importance of our world's beaches as cultural treasures and vital economic engines. He will explain common methods for protecting these essential resources and how our decisions literally shape the shoreline.

Dr. Hearin, who grew up in Daytona Beach, holds M.S. and Ph.D. degrees in Ocean Engineering from the Florida Institute of Technology, where he also served as an Assistant Research Professor. With over 15 years of active involvement, he currently chairs the Cocoa Beach chapter of the Surfrider Foundation.

This talk was presented at a TEDx event. Learn more at https://www.ted.com/tedx.

John Fullerton of the Capital Institute transitioned from Wall Street to

John Fullerton of the Capital Institute transitioned from Wall Street to sustainability advocacy. Influenced by Herman Daly's book, For the Common Good, he highlights the unsustainable practice of externalizing social and environmental costs and risks, citing the BP oil spill as a prime example.

Fullerton discussed these critical issues in an October 7, 2010 interview with Ruth Ann Barrett of EarthSayers.tv.

Economist John Perkins, co-founder of Dream Change and The Pachamama Alliance, discusses the crucial balance between corporate profit and responsibility. While acknowledging that companies can

Economist John Perkins, co-founder of Dream Change and The Pachamama Alliance, discusses the crucial balance between corporate profit and responsibility. While acknowledging that companies can make a return on investment, Perkins emphasizes a vital message regarding their impact.

He offers a list of ten things you can do to save the Earth. Follow his insights on Twitter.

This discussion was recorded by Ruth Ann Barrett of EarthSayers.tv at the 2010 Global Summit in San Francisco.