UK: Prince Charles Hosts World Allergy Summit in Scotland.

The video discusses the teacher's experience with children suffering from severe allergies and asthma, noting differences in severity. It highlights research comparing Canadian children and explores urban planning's role in health, emphasizing mixed-use, mixed-income development and green spaces.

What is the significance of mixed-use and mixed-income planning according to the speaker?

How does the speaker suggest introducing green spaces in urban planning?