 Coldplay have supported various social and political causes, such as Oxfam's Make Trade Fair campaign and Amnesty International.They have also performed at charity projects, including Band Aid 20, Live 8, Global Citizen Festival, Sound Relief, , One Love Manchester, The Secret Policeman's Ball, Sport Relief and the UK Teenage Cancer Trust.Chris Martin and Jonny Buckland first met during their orientation week at University College London (UCL) in September 1996.