世界卫生组织不是一个在国家内部的执行机构，但是能够对国家确定重点、国家所有权和国家管理提供支持。
WHO is not the implementing agency within countries, but can support country priority setting, country ownership, and country stewardship.
东京协议对其成员在排放物净化的计划、测量、监测等方面有严格规定。它允许富裕国家从贫穷国家购买排放权以达到净化标准。但是对于志愿净化行为，目前还没有统一的执行标准。
The Kyoto protocol includes strict rules on the design, measurement and monitoring of the offsets it permits rich countries to buy from poor ones to meet their targeted cuts in emissions.
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