生態農業：農業地景生態監測及復育【森林學系/柳婉郁特聘教授】
| 論文篇名 | 英文：Adopting renewable energies to meet the carbon reduction target: Is forest carbon sequestration cheaper? 中文：再生能源達成2050目標之分析：森林碳吸存是否相對便宜？ |
| 期刊名稱 | ENERGY |
| 發表年份,卷數,起迄頁數 | 2022, 246, 123328 |
| 作者 | Liu, Wan-Yu(柳婉郁)*; Chiang, Yi-Hua; Lin, Chun-Cheng |
| DOI | 10.1016/j.energy.2022.123328 |
| 中文摘要 | 在大多數國家，當前的溫室氣體減排目標是到 2050 年實現減排 50%，並實現碳中和目標。大多數能源政策是在該國的能源組合中採用至少 20% 的可再生能源。本研究對減少化石能源（包括煤炭、天然氣和石油）、增加可再生能源（包括水電、風電、光伏和木材燃料）以及增加植樹造林等各種碳減排方案進行了成本比較分析。包括針葉林、闊葉林和針闊混交林）。在分析單位減碳折現成本時，本研究探討了這些方案在固定減碳量下的成本，即成本越低，減碳效果越好。以台灣為例，結果顯示燃煤發電成本最低（每噸二氧化碳 24.80 美元）。其他能源（即天然氣、石油、水力發電、風能、太陽能和木材燃料）的成本為每噸二氧化碳 79.72-182.17 美元。減少碳排放的植樹造林成本為每噸二氧化碳 34.68-64.82 美元，低於採用可再生能源的成本。 |
| 英文摘要 | In most countries, the current goal for greenhouse gas emission reduction is to achieve a 50% reduction by 2050 with a carbon neutrality target. Most energy policies have been to adopt least 20% renewable energies in the energy portfolio of the country. This study conducted a comparative cost analysis on various carbon emission reduction options: reducing fossil energies (including coal, natural gas, and petroleum), increasing renewable energies (including hydroelectric power, wind power, photovoltaics, and wood fuel), and increasing afforestation (including coniferous forests, broadleaved forests, and mixed coniferous-broadleaved forests). In analyzing the discounted costs per unit of carbon reduction, this study explored the costs of these options at a fixed amount of carbon reduction, which means the lower the costs, the more effective the carbon emission reduction. Taking Taiwan as an example, the results indicated that coal-fired power has the lowest cost (US$24.80 per ton of CO2). The costs of other energy sources (i.e., natural gas, petroleum, hydroelectric power, wind power, solar power, and wood fuel) are US$79.72–182.17 per ton of CO2. The cost of afforestation for reducing carbon emissions is US$34.68–64.82 per ton of CO2, lower than the cost of adopting renewable energies assuming no technological advancement in current renewable energies. |
| 發表成果與本中心研究主題之相關性 | 農業包括農林漁牧，而因應氣候變遷林業領域如何調適、如何建構韌性林業，為一大值得關注之議題。 |
