| Summary: | The objective of this study is to assess the carbon footprint (CF) of electricity use and transportation, with a focus on teleworking, through the implementation of two research projects that were initiated before and completed after the COVID-19 pandemic. The study applies an integrated methodology based on the GHG Protocol guidance and DEFRA emission factors to investigate the CF of the projects, both during the pre-pandemic and teleworking period, as well as during the pandemic period with 50% teleworking. The results indicate that telecommuting contributed to a reduction in CO<sub>2</sub> emissions of 49–55%. Furthermore, a 20% reduction in car usage for commuting to and from work resulted in reductions of approximately 30% in transportation. These findings suggest that implementing such measures post-COVID-19 could have a significant impact on reducing greenhouse gas emissions.
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