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Welcome to Principal Voices
Principal Voices is stimulating discussion on the major challenges facing the world today. As in previous years, Principal Voices is bringing together some of the world's leading thinkers in their respective fields. In 2008 we will be discussing the Economics of Energy, Design for Good and Climate Change. Have your say. Send your questions and opinions to our Principal Voices using the form on this page or file an iReport


CO2 already in danger zone
A team of international scientists say that carbon dioxide levels are already in the danger zone.
Inaugural Alumni meeting
This week, 13 present and former Principal Voices met in New York for the first ever alumni meeting.

What have they been doing since PV?


Study questions climate model
A new study investigating carbon in Australian soil has cast doubt over the accuracy of current climate models.
Bush set to relax green rules
The Bush administration is set to change green rules before President-elect Obama can reverse them.

New world order
The Atlas of the Real World is bringing economic, social and environmental data to life.

See photos

Report urges fuel revolution
The International Energy Agency has called for a global energy revolution to ensure future supplies and curb emissions.

More stories
Full story archive

Virtuous cycles

Boosting solar efficiency

'The Chinese Dust Bowl'

Data pins polar warming blame on humans

From landfill to landscape

Penguins with parasols

Climate changing 'faster, stronger, sooner'

Earth, but not as we know it

Extra video
Full video archive

1 in 4 mammals facing extinction

Alejandro Gutierrez: Greening cities

UN Temperature rising

Rick Bell: Sustainable buildings

Alex Garvin: Future of architecture

Biofuels: Problem or cure?

China goes green!


iReport
Have a message to share? Click on iReport to send us your videos and photos.

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Your emails
Send us an email by filling out the form on this page. We'll publish the best here.


Quick Vote

Would you pay $3500 for a limited edition Atlas?
Are you kidding? Never
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Topics
ClimatologyConservation of resourcesEnvironmental protectionGlobal climate changeNature and the environmentOil prices
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Principal Voices: Climate Change
Watch the third and final Principal Voices documentary: "Climate Change," presented by CNN's Charles Hodson.

Part 1: IPCC chief Rajendra Pachauri

Part 2: The Seawater Foundation

Part 3: Living on a water planet





The third debate: Chicago, September 29
Our Principal Voices met in Chicago on September 29 to debate global solutions to climate change. Here's what they had to say.

Part 1: Reason for optimism

Part 2: Re-greening the earth

Part 3: Global financial crisis





Your questions
Put your questions to our Principal Voices using the form below. Remember to tell us who your question is for.

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