
A. Detention Ponds, Green Infrastructure, Drainage Systems:
The city of Philadelphia, USA, has implemented a green stormwater infrastructure program, which includes the construction of rain gardens, permeable pavements, and green roofs to manage stormwater runoff and reduce the burden on the city’s drainage systems.
B. Rainwater Harvesting, Porous Pavements, Green Roofs:
The city of Bangalore, India, has implemented rainwater harvesting systems in many residential and commercial buildings, as well as public spaces, to capture and store rainwater for non-potable uses. This helps reduce the demand for freshwater and mitigates urban flooding during heavy rainfall events.