Informal settlements have grown by leaps and bounds. In Metro Manila, households in informal settlements increased by more than 81 percent between 2000 and 2006. With rural-urban migration expected to continue, and six out of ten Filipinos living in urban areas, addressing the housing problem must be embedded within a larger urban development framework for environmental sustainability. While the MDGs on access to safe drinking water and sanitary toilets have already been achieved, land use and green technology for housing construction have can be tackled only within an action plan for climate change adaptation including disaster risk management.