Which two major conservation organizations merged in 2004 to form one of the world's largest wildlife conservation groups, combining their iconic logos into a unified panda design?

In the world of environmental conservation, organizations sometimes join forces to create more powerful entities with greater reach and resources. One particularly significant merger in the natural conservation space created a powerhouse organization that dramatically expanded its global impact. Test your knowledge about this important milestone in conservation history that reshaped how we protect our planet's natural treasures.

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World Wildlife Fund (WWF) and Conservation International
World Wildlife Fund (WWF) and Worldwide Fund for Nature, creating WWF International
The Nature Conservancy and National Audubon Society
Greenpeace and Sierra Club