Filmmaker Chanda Chevannes to use the $5,000 prize to boost screenings of the film.
An exhibit by Lyman Whitaker is on display through July 31 in Dallas.
DFW is competing with 70 cities globally to record most observations of nature April 27-30.
Filmmaker Chris Jordan recently screened his film in Dallas about the Midway Island albatross.
Jason says used mascara wands can be donated to wildlife organizations
The Human Element will show again on April 20 at the Women's Museum at Fair Park.
The three-day environmental expo also features five days of conferences and a 10-day film festival.