Ibasco represented the Philippines in the Miss Earth 2017 pageant held in the Philippines where she was eventually crowned as Miss Earth 2017 by the outgoing Miss Earth 2016 Katherine Espín of Ecuador . She is the 4th Filipina to win the Miss Earth crown and the 3rd in the last four years . During the final question and answer portion all the contestants were asked the same question by the host James Deakin : " Who or what do you think is the biggest enemy of Mother Earth and why ? " , she answered : Ibasco was personally congratulated by former Philippine president and Manila Mayor Joseph Estrada when she paid a courtesy call on Estrada at the latter 's office in Manila City Hall . She was also congratulated by former Manila City Mayor and Buhay Party-List , Lito Atienza for giving pride and honor to the City of Manila in winning Miss Earth 2017
Miss Earth 2016
Miss Earth 2016
Karen Ibasco