role of Civil Society in escaping CarbonLock-In (PDF). Communities. 2008-10-16: 21 [2010-01-21]. (原始内容 (pdf)存档于2010-06-13) (英语). In interview, Callenbach
Transition Towns: Ecotopia Emerging? The role of Civil Society in escaping CarbonLock-In (PDF). Communities. 2008-10-16: 20 [2010-01-21]. (原始内容 (pdf)存档于2010-06-13)
清潔發展機制(英語:Clean Development Mechanism,簡稱CDM)是一由聯合國運作的碳抵消與碳信用(英语:Carbon offsets and credits)計劃,機制讓各國得以資助其他國家的溫室氣體減排項目,然後將降低的排放量轉變為其自身努力以實現國際氣候目標(英语:Climate