UK: Prince Charles Hosts World Allergy Summit in Scotland.

The video discusses the importance of protected environments and the role of traditional lifestyles in maintaining these protections. It highlights examples from China, Europe, and North America, emphasizing the need for exposure to diverse microorganisms. The video also addresses the issue of decaying biodiversity and its environmental impact.

What common factor is shared by the protective environments across different regions?

Discuss the impact of decaying biodiversity as mentioned in the text.