2021 General Comprehension - Urbanization, Climate Change, Sustainable Development

Which among the following is the most logical and rational inference that can be made from the passage given above ?

• Our cities need to have well-defined administrative set-up with sufficient autonomy.
• Ever increasing population densities is a hindrance in our efforts to achieve sustainable development.
• To maintain and develop our cities we need to adopt sustainability related interventions.
• Public-Private Partnership mode of development is the viable long-term solution for the infrastructure and sustainability problems of India.