sentences:  The Federal Emergency Management Agency (FEMA) is also promoting green infrastructure as a means of managing urban flooding (also known as localized flooding).Since 2009, two editions of the ABC (Active, Beautiful, Clean) Waters Design Guidelines have been published by the Public Utilities Board (PUB), Singapore.The latest version (2011) contains planning and design considerations for the holistic integration of drains, canals and reservoirs with the surrounding environment.