1. UNFCC the Paris agreement. UNFCCC,2016
2. GSK sets new environmental goals of net zero impact on climate and net positive impact on nature by 2030,2020
3. MSD corporate responsibility report 2019/2020. MSD,2020
4. Our efforts to minimise our environment footprint,2020
5. https://www.acsgcipr.org/ [Accessed 9 March 21].