Mezue ahịrịokwu na-esonụ: N'afọ 2015, Ubaldo kwuru okwu na
United Nations (UN) Climate Conference ebe o kwuru <unk>"biko chee echiche banyere anyị, chee echiche banyere ọgbọ ndị na-abịanụ ga-ata ahụhụ n'ihi na ị meghị mkpebi n'oge"'. Ubaldo ekwuola na ịlụ ọgụ maka mgbanwe ihu igwe bụ "ebumnuche nke ndụ m".