As urbanization continues to surge across the globe, cities are at the forefront of a major transformation aimed at addressing the dual challenges of rapid population growth and environmental sustainability. Urban centers are increasingly turning to innovative solutions to create more livable, efficient, and resilient environments. The "race" to transform cities is centered on the adoption of green technologies, smart infrastructure, and sustainable urban planning. These efforts are not only intended to improve the quality of life for urban residents but also to mitigate the impact of climate change.
One key aspect of this transformation is the shift toward sustainable energy sources. Cities are investing in renewable energy, such as solar and wind power, and introducing electric public transportation to reduce greenhouse gas emissions. Furthermore, urban planners are emphasizing the creation of green spaces and the development of energy-efficient buildings, which are crucial in reducing the environmental footprint of urban areas.
However, the transition to a sustainable urban future is not without significant obstacles. The financial costs of implementing these technologies and the retrofitting of existing infrastructure pose considerable challenges. Additionally, not all cities have the political will or resources to keep pace with these changes. Despite these hurdles, some cities have already made notable strides, setting examples for others to follow.
In conclusion, while the race to transform cities into sustainable urban hubs faces numerous challenges, it represents a critical step toward achieving environmental resilience and improving urban living conditions.

Which of the following is TRUE according to the passage?