The Włodzimierz Puchalski International Nature Film Festival is a biennial event held in Łódź, Poland, dedicated to promoting nature and environmental films. Established in 1980, it gained international status in 2001. Organized primarily by the Educational Film Studio (Wytwórnia Filmów Oświatowych sp. z o.o.), the festival aims to popularize national and international nature films, evaluate the genre's development, and highlight its use in youth education. The festival features short and medium-length films addressing nature, environmental protection, and the coexistence of humans and nature, with the main prize being the Włodzimierz Puchalski Grand Prix.