『環境』の概念
緑豊かな環境を守り、地球温暖化防止に向けて経験やアイデアを共有しましょう。
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carbon offsetA carbon offset is a financial instrument representing a reduction in greenhouse gas emissions. There are two primary markets for carbon offsets. In the larger compliance market, companies, governments or other entities buy carbon offsets in order to comply with caps on the total amount of carbon dioxide they are allowed to emit. In 2006, about $5.5 billion of carbon offsets were purchased in the compliance market, representing about 1.6 billion metric tons of CO2e reductions. In the much smaller voluntary market, individuals, companies, or governments purchase carbon offsets to mitigate their own greenhouse gas emissions from transportation, electricity use, and other sources. For example, an individual might purchase carbon offsets to compensate for the greenhouse gas emissions caused by personal air travel. In 2006, about $91 million of carbon offsets were purchased in the voluntary market, representing about 24 million metric tons of CO2e reductions. October 25, 2008 10:17 PM by bluedragon(Singapore / Malaysia) <= Please click "Comment(Answer)" to comment on this contribution.Comment: From yakiimo (Japan) November 4, 2008 8:35 PM This concept is too ... |