South Western Railway commits to reduce absolute scope 1 and 2 GHG emissions 33.6% by 2027 from a 2019 base year. South Western Railway also commits to reduce absolute scope 3 GHG emissions from fuel and energy related activities 33.6% within the same timeframe. South Western Railway further commits that 55% of its suppliers by emissions covering purchased goods and services, will have science-based targets by 2027.