Final answer:
Improved public transportation is a positive effect of urbanization, providing better connectivity and potentially reducing traffic congestion and pollution.
Step-by-step explanation:
The positive effect of urbanization mentioned in the context is Improved public transportation. Urbanization is closely associated with the development of cities, encompassing urban economics, urban politics, and urban environments. As cities grow, one of the key factors that can be positively influenced is the public transportation system. Improvements to public transportation can include the expansion of metro systems, the addition of bus lines, and upgrading infrastructure for safer and more efficient travel. These enhancements enable better connectivity and accessibility within the city, potentially reducing traffic congestion and carbon emissions.