Pedzisa mutsara unotevera: Muna Gunyana 2020, Tan aive chikamu chekufamba kuti adzokere kumhirizhonga yemamiriro ekunze 'yakachengeteka'. Mukupera kwa2020, Tan aive mumwe wevazvipiri vakaronga "Mock COP26", iyo yaive nevamiriri vanobva kunyika zana nemakumi mana. Akapawo hurukuro pa"Mock
COP26" pamusoro pekuva muratidziri anorarama apo kuratidzira kwakaenzana nehugandanga. Vachitaura nezve "Mock COP26" Tan akaudza The Guardian kuti "Vari kuona kuti manzwi enzvimbo dzakakanganiswa zvakanyanya anowedzeredzwa, uye kuona kuti tine nzvimbo uye hatisi kungofananidzirwa". Akanga ari mumwe wevanoshingaira kutora chikamu muFridays For Future 'Pass the Mic' mushandirapamwe, zvakare mukupera kwa2020, kukumbira kuti Attenborough apfuure paakaundi yake ye Instagram kune vanotsigira vechidiki, kunyanya vanobva kuGlobal South.