I. ˌWorld Wide ˌFund for ˈNature, the abbreviation, WWF
an international charity organization, formerly called the World Wildlife Fund, which supports conservation (=protection of wild plants, animals, and natural areas of land)

[TahlilGaran] Dictionary of Contemporary English ▲

II. WWF, the /ˌdʌbəljuː dʌbəljuː ˈef/ abbreviation for
the World Wide Fund for Nature

[TahlilGaran] Dictionary of Contemporary English ▲

WWF, the /ˌdʌbəljuː dʌbəljuː ˈef/ abbreviation for
the World Wide Fund for Nature

[TahlilGaran] Dictionary of Contemporary English ▲

WWF
World Wildlife Fund 
World Wrestling Federation

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲