2015 | 29 November–28 December | COP21: 30 November–12 December | 169,220 | |
2016 | 29 October–27 November | COP22: 7–18 November | 31,931 | |
2017 | 18 May–16 June | US withdrawal from Paris Agreement: 1 June | 46,567 | |
2017 | 4 October–2 November | US withdrawal from Paris Agreement: 1 June | 14,375 |