It was the first time in Miss Earth history that the representative of the host nation won the title . Likewise , it 's the second time in a row that a Filipino and half-Canadian held the title of Miss Earth following 2007 winner Jessica Trisko of Canada . Together with the runners-up , Karla went around public schools in the Philippines to teach elementary pupils in public schools about environmental awareness . She promoted the " Green Thumbs Up " project , which enumerates 10 simple acts that these kids can practice at home and participated in a coastal cleanup in Manila Bay
2007 winner
Miss Earth 2007
Karla Henry