How to enter
Congratulations to all our entrants! Check out the full list of winners.
04 October 2022
Registration opens for TSL and ZooLab Sustainability Challenge Video Competition
16 November 2022
Entry submission deadline 23.59 GMT
18 November 2022
Top entries confidentially notified
22-28 November 2022
Public voting on top video entries
30 November 2022
Winners announced at our live online Sustainability Challenge event!