CNN's Sara Sidner talks to Nobel Prize Winner, Rajendra Pachauri about the challenges of Global Warming. play video
CNN's Isha Sesay talks to Seawater Foundation Chairman, Carl Hodges about tackling the problem of rising seawater.
CNN's Maggie Lake meets environmental crusader, Alexandra Cousteau to discuss the prospect of living on an ocean planet.
After the Principal Voices debate, audience members share their views on the discussion and climate change
IPCC Chief Rajendra Pachauri opens the Principal Voices debate in Chicago by expressing optimism for the future.
Carl Hodges, founder of the Seawater Foundation, explains his plan to re-green the earth at the Principal Voices debate.
The Principal Voices discuss the likely impact of the global financial crisis on efforts to combat global warming.
The granddaughter of legendary French explorer Jacques-Yves Cousteau campaigns to raise awareness of world water issues.
The founder of The Seawater Foundation is turning the tide on sea-level rise and revolutionizing agriculture in the process.
The head of the Intergovernmental Panel on Climate Change (IPCC) is at the forefront of global efforts to combat climate change.
Early results show the leeward side of the building failing first as shown in this video graphic. Courtesy of University of Western Ontario.
CNN's Isha Sesay talks to Seawater Foundation Chairman, Carl Hodges about tackling the problem of rising seawater.
CNN's Maggie Lake meets environmental crusader, Alexandra Cousteau to discuss the prospect of living on an ocean planet.
After the Principal Voices debate, audience members share their views on the discussion and climate change
IPCC Chief Rajendra Pachauri opens the Principal Voices debate in Chicago by expressing optimism for the future.
Carl Hodges, founder of the Seawater Foundation, explains his plan to re-green the earth at the Principal Voices debate.
The Principal Voices discuss the likely impact of the global financial crisis on efforts to combat global warming.
The granddaughter of legendary French explorer Jacques-Yves Cousteau campaigns to raise awareness of world water issues.
The founder of The Seawater Foundation is turning the tide on sea-level rise and revolutionizing agriculture in the process.
The head of the Intergovernmental Panel on Climate Change (IPCC) is at the forefront of global efforts to combat climate change.
Early results show the leeward side of the building failing first as shown in this video graphic. Courtesy of University of Western Ontario.
Architect Daniel Lebinskind talks about capturing the imagination of the people in creating buildings.
Cameron Sinclair talks about the concept of the open architecture network.
Peter Head is playing a leading role in the plans to build China's first eco-cities.
Alejandro Gutierrez, design leader for China's Dongtan eco-city, tells CNN how good design can help combat climate change.
Urban planner, educator and author, Alex Garvin talks about the future of architecture.
Rick Bell, Executive Director of the American Institute of Architects New York Chapter talks to Principal Voices.
Panelists at the second Prinicpal Voices round table of 2008 discuss just what the phrase means.
Are we doing enough, fast enough? The Principal Voices panel discuss the economic and social challenges of life-changing design.
The panel at the Principal Voices debate in Singapore discuss community involvement in design and the future of urban development.
Audience give their thoughts on what they thought were the biggest challenges facing the world of architecture and design.
The co-founder of Architecture for Humanity tells CNN about the program's efforts to rebuild communities ravaged by disaster.
The renowned architect tells CNN about the importance of creating intelligent buildings that are both environmentally and socially sustainable.
The man behind China's first eco-city and director of Arup tells CNN how we all need to learn to live in cities using renewable resources.
CNN's Charles Hodson visits Reykjavik to talk to Iceland's President Olafur Ragnar Grimsson about the countries renewable energy project.
Principal Voices looks at the challenges of finding a cheap, abundant energy source.
In part 3 of the debate on "Economics of Energy", Hesham El Emadi talks about the GCC's response to the issue of climate change.
In part 2 of the Principal Voices debate on the "Economics of Energy", Dr. Joseph Adelegan says nuclear energy isn't the answer.
Icelandic President Olafur Grimsson talks about energy as the most fundamental question of the 21st century.
Said Mubarak Al-Mohannadi, Dir of Operations at Qatar Petroleum talks about Qatar?s preparation for a future after oil and gas.
Mithat Rende, Turkish Ambassador to Qatar says the world will have to rely upon more than renewable energy to meet fuel demands.
Prof. Mahmoud Khader of Qatar University told Principal Voices that oil and gas are too precious to be burnt for fuel.
Arve Moen of Qatar Petroleum talks about how new housing and technology can help conserve energy in areas of high fuel demand.
The internationally renowned economist, social critic and author lends his expertise on the environment and energy to world leaders.
The President of Iceland is a passionate advocate of the intelligent use of renewable energy.
Joseph Adelegan sprung to prominence through his innovative 'Cows to Kilowatts' project, which creates energy from waste.
How much are we doing to make our renewable energy resources efficient?
Vijay V. Vaitheeswaran believes that mankind has the ideas to solve the problems of climate change.
Jeremy Leggett believes that solar energy will be an important factor in tackling climate change.
Juliet Davenport tells CNN that wind power in the UK is the perfect solution for helping tackle climate change.
Kristin Peterson tells CNN her company's mission is to deliver access to communications to the poorest of places in the world.
Jimmy Wales, founder of Wikipedia, tells CNN that he believes Wikipedia will give the world free access to the sum of human knowledge.
Neil Gershenfeld tells CNN that digital fabrication will help invent items to help humanity.
Rick Aubry tells CNN how he has helped homeless and less privileged people get into work and into a better life.
Kailash Satyarthi tells CNN how he wants to eradicate child labour in South East Asia.
Rory Stear tells CNN that human based energy in Africa is helping the children to a better life.
Peter Bakker, CEO of TNT, is partnering TNT up with the World Food Programme to make aid relief possible.
Malini Mehra tells CNN how her company has helped inspire positive social change.
Victoria Hale tells CNN that her company has helped influence the whole medical industry in helping the poor get treated.
Jeffrey D. Sachs tells CNN the importance of fighting extreme poverty and the security and safety of the planet.
Rodrigo Baggio talks about his goal to introduce technology to change the lives of young people.
Muhammad Yunus, founder of the Grameen Bank, tells CNN the principal of the bank is to give credit.
David Hales tells CNN about the work he is doing with the Worldwatch Institute think tank.
Amory Lovins tells CNN how his institute is helping resources making the world a life sustaining place.
Wangari Maathai tells CNN the importance of planting trees to help maintain a balance on the earth.
Bill Reinert tells CNN that hydrogen fuel cells can be used to replace oil based cars and help the environment.
Ricky Burdett tells CNN the importance of a public transport system in any city, giving London as an example.
Professor Geetam Tiwari, looks at investing in a better transport system for Delhi in an eco-friendly manner.
Architect Zaha Hadid tells CNN the importance of designing buildings to go with the natural landscape.
Elattuvalapil Sreedharan looks at investing in a metro system for the capital of India, Delhi.
Marjorie Yang tells CNN the importance of business in the community to help shorten the gap of poverty.
Leif Johansson, President and CEO of the Volvo group, tells CNN the importance of investing in alternate fuel energy.
Lars Sorensen looks at the importance of investing in helping to tackle diabetes.
Ken Robinson looks at the importance of educating a new generation to be more creative and innovative.
Professor Hugh Somerville tells CNN about the alternative fuel options to help the aviation industry.
Eric B. Kim of Intel Corporation tells CNN about how its investment in WIFI is helping to drive democracy.
Ashok Kosla looks at developing waste into wealth and helping the environment.
Amartya Sen talks about the importance of investing in cures for illnesses to help reduce numbers in a dramatic way.
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