Kajang is a city located in Selangor, Malaysia that was established in 1709. It has experienced rapid population growth in recent years. Several new townships have been developed, making the areas more accessible. However, Kajang faces issues like traffic congestion, poor public transportation, lack of green spaces, and air pollution. The document proposes solutions for Kajang like developing a more compact city with higher density and mixed uses, improving public transportation through new rail systems and electric vehicles, utilizing renewable energy sources, and creating a sustainable wastewater system.