本研究藉由永續發展、經濟學、環境貢獻評估及貢獻獎勵措施相關文獻回顧分析，建構綠建築環境貢獻量評估方法，作為評估建築空間增益綠化程度之指標，並藉由2004年整年度取得綠建築審核通過綠化量指標之案件為研究樣本，探討分析內容分為三個部分:(一)量化綠建築綠化量指標環境貢獻經濟價值，作為進一步研究都市生態改善之基礎。(二)探討綠建築綠化量指標環境貢獻量對環境容受之増益值。(三)綠建築開發行為對環境容受之影響程度分析。 本研究結果:(一)國內森林學系針對台灣原生喬木之研究，其CO2固定量與既有建築法規規範資料的差值為4.1倍，顯示建築法規規範資料並不符實際。(二)綠建築環境貢獻量評估方法、環境貢獻量經濟價值換算及可換算容積獎勵額度之建構。(三)綠建築綠化量指標容積獎勵應考量建築構造及建築規模作為獎勵額度之管制，以確實反應環境貢獻量之價值，獎勵原則既應以能再提升水與綠環境性能所需之容積為主要放寬容積限制之對象。透過與都市計畫土地使用與都市設計相關條文之連結規範，提供可實踐之生態環境規範。(四)綠化量提高對環境容受增益度依序為住宿類、辦公類、學校類及其他類建築;綠建築開發行為對環境容受影響依序為學校類、其他類、辦公類及住宿類建築; 提高環境容受主要影響因子為學校類及其他類建築為降低總樓地板面積、辦公類建築為降低建築面積、住宿類建築為提高綠化量。 This study is aimed at developing an appropriate evaluation system to quantify the environmental contribution of green building which is then used to determine the level of incremental greening of building spaces. The development of such evaluation system was done by undertaking a deliberate analysis of related articles on the topics of ongoing development， economics， evaluation of environmental contribution and reward system for environmental contribution. In addition， all cases which satisfied the greening index requirement as specified in the green building audit in year 2004 were also carefully investigated to enhance the effectiveness of the designed evaluation system.This study breaks into three main parts as following: (1) Quantifying the economic value of environmental contribution derived from greening index of green buildings as an attempt to be used for urban ecological improvement. (2) Discussion on the relationship of environmental contribution derived from greening index of green building to the incremental environment carrying capacity. (3) Analysis of the degree of influence of green building development on environmental carrying capacity. At the end of this study， final conclusion was drawn as below: (1) According to a study of primeval arbor in Taiwan conducted by forestry professions， the difference between the observed fixed amount of CO2 and the data taken from existing building-administration was about 4.1 times， which reveals the fact that data in the existing building-administration is not up to date or unrealistic.(2) The appraisal method constructs the construction.(3) The reward policy of greening index of green building should consider the factors like architectural construction and size of building space in order to control the scarce reward resources and to better reflect the value of environmental contribution. A good reward policy should be one that looses the restriction on building bulk only to the extent that the building bulk will allow a better utilization of water and greening environment. A set of practicable regulations for maintaining ecological environment is also very important， and that can be done by taking reference to the related regulations on the use of land in urban planning and urban design.(4) The incremental benefit on environmental carrying capacity as to different types of buildings as a result of increasing greening index of green building are ranked from the highest to the lowest in the order as accommodations， office buildings， schools， and other buildings.The degree of influence of green building development on environmental carrying capacity as to different types of buildings are ranked from the highest to the lowest in the order as schools， other buildings， office buildings and accommodations.The main influential factor to increasing environmental carrying capacity as to different types of buildings is lowering the total floor space to schools and other building， lowering building space to office buildings and increasing greening index to accommodations.
