By Sudhansu R Das Urban centers are the harbingers of growth and prosperity. No country can prosper without healthy and vibrant cities. Business, professional innovation, sports, art, and culture all flourish within them. People are drawn to urban centers for advanced studies, quality jobs, comfortable lifestyles, better amenities, and superior healthcare. Yet, over recent decades, the quality of life in these hubs has deteriorated sharply due to overpopulation, environmental degradation, corruption, and poor governance. Hundreds of once-beautiful urban centers across the world are becoming unlivable.