Nicole Faria, 20, of India, was crowned Miss Earth 2010 during the pageant's coronation night at the Vinpearl Land Resort in Vietnam on Saturday.
Faria was also the winner of first special award Miss Talent for her graceful traditional belly dance performance.
Miss Ecuador, Jennifer Stephani Pazmino, was dubbed first runner-up, also known as Miss Earth Air. She also recieved the Miss Evening Gown award.
Miss Thailand Watsaporn Watanakoon, came in as second runner-up (Miss Earth Water) she had previously received the Miss Photogenic award.
Miss Puerto Rico, Yeidy Bosques came in as Miss Earth Fire. Also listed in the top 7 were Japan, Venezuela and South Africa.
Miss Vietnam, Luu Thi Diem Huong, took the Miss Bikini title and was included in the top 14 list.
The highlighted part of the contest was noted singer Ronan Keating's two hits' performance, "The way you make me feel" and "When you say nothing at all."
During a pre-show press conference, Keating said that in spite of the long flight, he was very excited to play the show.
Miss Earth is an annual international beauty pageant promoting environmental awareness. The reigning titleholders dedicate their year to promoting environmental projects and to addressing issues concerning the environment.
This, the contest's tenth year, represents the first time the contest has been held outside of the Philippines.
To celebrate the tenth anniversary, the organizers decided to use the previous winners' questions in the Q&A round to narrow down the top 7 finalists.