By combining measures across 3 decision horizons. In less than a year: 2 to 3 vegetarian menus per week (-20 to -40% for food), tackling waste, extending computer replacement cycles from 4 to 7 years and ending flights for journeys possible in less than 4 hours by train. Over 1 to 5 years: an employer mobility plan and rationalisation of international mobility (long stays, rail in Europe), with documented reductions of 20 to 30%. Over 5 to 20 years: energy renovation, including energy performance contracts targeting -30 to -50% consumption.
Read the source article: University carbon footprint: 1 to 8 tCO2e per student