UK: Prince Charles Hosts World Allergy Summit in Scotland.

The video discusses the properties of natural materials, particularly their fire resistance and use in insulation. It compares these with man-made substances, highlighting the cost and safety issues associated with the latter. The video also explores the problems caused by man-made materials when they burn and suggests solutions, including the use of flame retardants.

How does the burning behavior of natural materials differ from that of synthetic materials?

What challenges does the speaker face in understanding the use of natural versus man-made materials?