Analyzing Urban Planning Perspectives

Read the following passage and analyze its structure:

As cities expand and populations grow, the need for sustainable development becomes increasingly urgent. Urban planners are now faced with the challenge of balancing economic growth with environmental preservation. One approach that has gained traction is the concept of 'green building,' which emphasizes energy efficiency and the use of sustainable materials. By implementing green building practices, cities can reduce their carbon footprint and create healthier living environments for their inhabitants. However, critics argue that these initiatives can be costly and may not yield immediate economic benefits, leading to concerns about their overall feasibility. Thus, the debate continues about how best to achieve a balance between sustainability and economic growth.