THEY'RE THE FACE OF THE WORLD WIDE FUND FOR NATURE (WWF). The World Wide Fund for Nature (WWF) is an organization with the sole mission of preserving the global animal population and reducing harmful human impacts on natural environments. Since 1961, they've used the giant panda on their logo. The logo was inspired by Chi-Chi, a panda housed at the London Zoo in 1961 during the organizations early days.