Definition: Urban density metrics help define ville mondiale exemple, with Hong Kong reaching 30,000 people per square kilometer.

Example: London's environmental impact is quantified at 10 tons of CO2 per resident annually.

Highlight: The world's 40 largest cities generate more wealth combined than the entire United States, demonstrating their economic significance.

Vocabulary: Urban slums represent areas of concentrated poverty within global cities, affecting over 200 million people in Africa alone.

Definition: Mondialisation géo def refers to the worldwide movement of people, ideas, goods, data, diseases, and weapons at unprecedented speed and scale.

Example: The historical Silk Road from China to the Mediterranean Sea demonstrates early global connections, though modern flows are vastly more complex.

Highlight: Cities have evolved from centers of civilization into operational spaces for corporate actors, as defined by Saskia Sassen's 1991 concept of the global city.

Vocabulary: International supply chain describes the complex process from raw materials to consumer products, illustrating global interconnectivity.