In the passage, the author discusses the impact of urbanization on local ecosystems, highlighting both positive and negative consequences. The author notes that while urbanization can lead to economic growth and improved infrastructure, it also poses significant challenges to biodiversity and the natural habitat of various species. Furthermore, the author emphasizes the necessity of sustainable development practices to mitigate these adverse effects. Throughout the passage, numerous examples are provided that illustrate these points, including case studies from various cities around the world. Understanding this balance is crucial for future urban planning.