____ organization has released the first-ever global assessment of forest biodiversity, “Below the Canopy: Plotting Global Trends in Forest Wildlife Populations” ?

1) World Wide Fund for Nature (WWF)
2) Forest Stewardship Council(FSC)
3) The Nature Conservancy
4) United Nations Educational, Scientific and Cultural Organization(UNESCO)

Explanation:
According to the first-ever global assessment of forest biodiversity, “Below the Canopy: Plotting Global Trends in Forest Wildlife Populations” by World Wide Fund for Nature (WWF), the number of forest wildlife populations have declined on average by 53% since 1970 due to Habitat loss and degradation, over exploitation and Climate change.