Mezue ahịrịokwu na-esonụ:
21st Conference of the Parties (COP21) na Paris, Idriss Déby welitere okwu banyere Lake Chad, nke mpaghara ya bụ obere akụkụ nke ihe ọ bụ na 1973, ma kpọọ ndị mba ụwa ka ha nye ego iji chebe usoro okike.