What is CDM?
It is one of the emission trading mechanisms within the Kyoto Protocol. It is difficult for developed countries to achieve their CO2 reduction goals on their own, and on the other hand, it is obvious that developing countries need to reduce their CO2 emission, even though they don't have obligation. So this mechanism enables developed and developing countries to cooperate for CO2 emission reduction projects. Developed countries will be able to count the amount of reduction for their own goal.
The projects are certified by the UN, only if the mechanism becomes an incentive to reverses business as usual. For example, it is obviously cheaper to build a coal power plant than a solar one. However by using the clean development mechanism, emission credit will work as an incentive to reverse this economic viewpoint.
Projects must be connected to sustainable development and local needs. It may cost more than temporary CO2 reduction, but it means a lot more in the long run.
How can we join the movement?
As individuals, we can start by imagining how much CO2 was used to make products before buying. There aren't many carbon neutral products yet, and not many companies disclose the amount of emission, but we can always choose a product if it declares to be neutral. CO2 emission amount can become a factor of preference among prices and design. If you are willing to offset your own CO2 emission in addition, there are ways to invest in CDM projects too.
(based on an interview with Yoichi Mori from PEAR Carbon Offset Initiative)
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