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While the Cadions worry about how quickly they can rebuild their lives, many disaster experts are asking tough questions about how and where displaced families should rebuild, given the region's vulnerability to strong storms.

NPR's Christopher Joyce reports on a growing movement to change the way people build in high-risk parts of the world.

CHRISTOPHER JOYCE, BYLINE: Sociologist Kathleen Tierney knows about disasters. She runs the Natural Hazards Center at the University of Colorado.

KATHLEEN TIERNEY: Inevitably after ever disaster I've ever heard of, there is this huge push to restore things, to put things back to the way they were. Let's get back to business, let's get people back in their homes, et cetera.

JOYCE: But those new homes will be in the bull's eye for the next big storm. A United Nations study says the Philippines is one of the most natural disaster-prone countries in the world. Scientists say climate change could make it even more so.

So should people just retreat from the coast? Some did just that in Sri Lanka after the 2004 tsunami in the Indian Ocean.

TIERNEY: There was an effort to move settlements away from the shore, but the issue here is that people make their livelihood from the sea.

JOYCE: Fishing, shipping, tourism, or just being near the ocean - it's a worldwide trend.

STEVEN COHEN: Starting in 2007, most people in the world lived in cities and most cities are located by coasts.

JOYCE: Steven Cohen is executive director of the Earth Institute at Columbia University. He says climate change and sea level rise may be looming, but right now the damage from natural disasters has more to do with where people choose to live or where they refuse to leave. Take New York after Sandy.

COHEN: Is everybody in Manhattan going to move to the Catskills? I don't think so. I mean we have trillions of dollars of investment in infrastructure in the places that exist now.

JOYCE: So if people are going to keep living in the footprint of hurricanes, tsunamis and flooding, what's to be done? Tierney says scientists need to map out the danger zones.

TIERNEY: In any community on the coast, there are going to be places that are relatively safe and places that are really quite dangerous in the event of inundation.

JOYCE: And yet people may still not abandon those dangerous places. Politically, it's difficult to force them. So Cohen suggests they build strong and get ready to evacuate, even if it's to nearby storm shelters.

COHEN: People need to get ready to get out more often. And we need to be able to build structures that can survive more intense, more frequent storms.

JOYCE: And there are people who will do just that.

ELIZABETH HAUSLER STRAND: Every summer in high school and college, I worked for my dad as a bricklayer.

JOYCE: Elizabeth Hausler Strand, a bricklayer, is now a civil engineer and CEO of BuildChange. Her organization rebuilt parts of Haiti after the earthquake there in 2010, as well as parts of Indonesia after the tsunami. She says a disaster is a chance to prepare better for the next one.

STRAND: We want to look at the post disaster environment as an opportunity not only to build safe houses, but to create change, as it's likely that the region is going to experience similar disasters in the future.

JOYCE: Hausler teaches local engineers to put concrete around walls, like a big rubber band to make homes sturdier, and tie down roofs so they won't blow away. She says temporary housing for disaster victims, however - the kind meant to last two or three years - isn't always a good idea. People often stay in them for decades.

STRAND: It takes away the resources, the time and the materials and the money that could be spent on a more permanent solution.

JOYCE: Hausler Strand says the most important thing is to get homeowners to be partners in rebuilding from day one. BuildChange, a non-profit organization, is planning to take its rebuilding philosophy to the Philippines in the next few months.

Christopher Joyce, NPR News.

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