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REGION: North America
TOPIC: Science & Technology
Online NewsHour
FORUM
Posted: March 6, 2008

Experts Discuss Carbon Offsets

Forum Introduction
traffic The carbon offset market is growing, spurred by businesses and consumers who want to lessen their carbon footprint by investing in ventures like hydroelectric power or forest regeneration. Two experts on carbon credits took your questions.
QUESTIONS
How do you sell carbon credits to a large company?
Will I get a monetary return on my carbon credit investment?
What role will carbon offsets play in a cap-and-trade system?
Can carbon credits be held and traded like stocks?
What incentive do companies have to purchase carbon offsets?
How many carbon credit markets are there?
Why do people buy carbon offsets?
How are carbon credits allocated in a cap-and-trade system?
Are the full lifecycle of technologies considered when calculating their carbon footprint?
Ann of Scottsdale, Ariz., asks
How many carbon credit markets are there in the U.S.? In the world? What is the annual volume (in dollars) of trade in these markets? Is there a Web site with this sort of information?
ANSWERS
Dan Kammen responds:
Dan Kammen responds:

There are a number of carbon markets, with the European Trading System (ETS), and the Chicago Climate Exchange (CCX), the most well-known. Additional markets are likely to develop, and some cities are even considering their own local markets.

There are many useful sites to get more information, such as Point Carbon (www.pointcarbon.com), a magazine about carbon trading, and carbon trading information sites (e.g. www.carbontrading.com/).

My laboratory, the Renewable and Appropriate Energy Laboratory (http://rael.berkeley.edu) at the University of California, Berkeley, also produces publications, reports, and media information.

Caitlin Sparks responds:
Caitlin Sparks responds:

Because the U.S. did not ratify the Kyoto Protocol, we participate only in the voluntary carbon market. The two other large carbon markets are the Clean Development Mechanism (CDM) and Joint Implementation (JI) markets -- these are emissions schemes of the Kyoto Protocol, the international agreement regulated by the United Nations. In addition, there is the European Union Emissions Trading Scheme (EU ETS), the largest emissions trading scheme in the world.

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