In 2019, greenhouse gas emissions from the use of natural gas, electricity and vehicle circulation within FEUP totaled:

• 6,516 tons of CO₂ equivalent.

Greenhouse gases emitted – electricity consumption	2,023 tons of CO2 equivalent1
Greenhouse gases emitted – natural gas consumption	267 tons of CO2 equivalent2
Greenhouse gases emitted – business travel	1,293 tons of CO2 equivalent3
Greenhouse gases emitted – travel commuting	2 933 tons of CO2 equivalent3

• Did you know that there are tools that allow you to estimate your impact on the environment? Calculate here your footprint.

¹Emission Factors used were: 2005- 501 t CO₂/GWh; 2006 – 420 t CO₂/GWh; 2007 – 370 t CO₂/GWh; 2008 – 361 t CO₂/GWh; 2009 – 375 t CO₂/GWh
²Emission Factor (CO₂) = 56,100 kg CO₂/GJ; Emission Factor (CH₄)=5×10-3 kg CH₄/GJ; Emission Factor (N2O)=1×10-4kg N2O /GJ
³Emission factors considered: CO₂: 3.16 kg/kg of fuel; CO: 70.1 g/kg of fuel; CH₄: 0.80 g/kg of fuel.