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【Applied Energy最新原创论文】居家办公与办公室工作时的温室气体排放:基于活动的个人层面计算模型

AEii国际应用能源  · 公众号  ·  · 2023-12-19 18:30

正文

原文信息:

Greenhouse gas emissions under work from home vs. office: An activity-based individual-level accounting model

原文链接:

https://www.sciencedirect.com/science/article/abs/pii/S0306261923015313


Highlights

  • 与办公室工作相比,居家办公减少了29.11% 的温室 居家办公减少了通勤和工作场所排放,但住宅排放较多。

  • 居家办公或混合工作模式是减少温室气体排放的可能方法。

  • 提供基于活动的居家办公和办公室工作脱碳机会。

  • 脱碳战略需要针对特定群体进行考虑。

摘要

居家办公引起的生活、工作、和通勤活动的变化对温室气体排放有很大影响,但目前仍然缺乏对温室气体排放变化的高分辨率量化。本研究使用了一种基于活动的自下而上建模方法,采用美国全国规模的数据集,对不同工作安排对温室气体排放的影响进行了研究。研究比较了居家办公和办公室工作一天的温室气体足迹。结果表明,居家办公可以将温室气体排放量减少29.11%(每人每天4.06公斤二氧化碳当量),这主要是由于通勤和工作场所排放的减少(分别减少了每人每天4.23和1.34公斤二氧化碳当量),但在家办公期间,由于工作、烹饪、洗衣和观看电视和电影等活动的增加,住宅温室气体排放量增加了1.51公斤二氧化碳当量。此外,从办公室工作转为居家办公时,工作时间减少更多的人群减少的温室气体排放量也较少,这强调了在提出减碳策略时考虑特定人群的重要性。最后,本研究提供了从活动角度出发的一些减碳建议。这项研究结果为居家办公的环保效益提供了洞见,并为推广低碳生活以实现气候目标做出了贡献。

更多关于"Greenhouse gas"的文章请见:

https://www.sciencedirect.com/search?qs=Greenhouse%20gas&pub=Applied%20Energy&cid=271429

Abstr act

Changes in residential, work, and commuting activities caused by work from home (WFH) have great impacts on greenhouse gas (GHG) emissions, but high-resolution quantifications of the changes in GHG emissions are still lacking. In this study, an activity-based bottom-up modeling approach and U.S. nation-scale datasets were employed to investigate the impact of different work arrangements on GHG emissions. The GHG footprint of a typical day (24 h) under WFH and work in office (WIO) was estimated and compared. The results revealed that WFH could mitigate GHG emissions by 29.11% (4.06 kg CO2e/person/day) compared with WIO. This was mainly due to the decrease in commuting and workplace emissions (reduced by 4.23 and 1.34 kg CO2e/day/person, respectively), but residential GHG emissions increased by 1.51 kg CO2e/day/person under WFH due to work, cooking, laundry, and watching TV and movies. Moreover, the demographic groups that reduced their work hours more after a shift from WIO to WFH achieved fewer reductions in GHG emissions, emphasizing the importance of group-specific considerations when proposing decarbonization strategies. Finally, several recommendations were provided to decarbonize WFH and WIO from an activity-based perspective. The results of this study provide insights into the environmental benefits of WFH and contribute to promoting low-carbon living to achieve climate goals.

Keywords

Greenhouse gas (GHG) emissions

Work from home (WFH)

Work in office (WIO)

Activity-based bottom-up model

Decarbonization strategies

Demographic groups








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