<prompt> Obani abakhethwa phakathi kuka-1990 no-2000? Njengoba kunikezwe umbuzo odlule, bhala umongo onempendulo yawo. Kungaba imisho engu-1 kuya kwengu-20. Umongo:  <response>: Isazi sezomnotho saseKorea uHoesung Lee ubelokhu engusihlalo we-IPCC kusukela ngo-Okthoba 8, 2015, kulandela ukhetho lwe-IPCC Bureau entsha. Ngaphambi kwalokhu kukhethwa, i-IPCC yayiholwa yiphini likaSihlalo wayo u-Ismail El Gizouli, owaqanjwa njengoSihlalo osebenza ngemuva kokuhoxa kukaRajendra K. Pachauri ngoFebhuwari 2015. Owayengusihlalo ngaphambili kwakunguRajendra K. Pachauri, okhethwe ngoMeyi 2002; uRobert Watson ngo-1997; noBert Bolin ngo-1988. Usihlalo usizwa ihhovisi elikhethiwe elihlanganisa omengameli, oSekela-sihlalo, oSekela-sihlalo bamaqembu okusebenza, kanye noNobhala. 