Mezue ahịrịokwu na-esonụ: Na Septemba 2020, Tan bụ akụkụ nke mmegharị ịlaghachi na ngagharị iwe ihu igwe 'nchekwa'. Na ngwụcha afọ 2020, Tan bụ otu n'ime ndị ọrụ afọ ofufo haziri "Mock COP26", nke nwere ndị nnọchi anya si mba 140. O kwukwara okwu na "Mock
COP26" banyere ịbụ onye na-eme ihe ike na-ebi ebe a na-eji ime ihe ike tụnyere iyi ọha egwu. N'ikwu okwu banyere "Mock COP26" Tan gwara The Guardian "Ha na-ahụ na a na-eme ka olu nke mpaghara ndị kachasị emetụta, na ijide n'aka na anyị nwere ohere na anyị abụghị naanị tokenised". Ọ bụ otu n'ime ndị na-eme ihe ike iji sonye na Fridays For Future 'Pass the Mic' mkpọsa, kwa na ngwụcha 2020, ịrịọ ka Attenborough nyefee akaụntụ Instagram ya na ndị na-akwado ntorobịa, ọkachasị site na Global South.