A rural community which has the ability to smoothly absorb tens or hundreds of times its baseline population for special events or disaster relief purposes.

The core idea is to over-provision infrastructure like drinking water supply, sewage systems and so on to be able to handle much large populations than live year-round on the land, while using some kind of rapidly scalable shelter system to accommodate the peak populations, like tents or the hexayurt. A convertible community may offer disaster response places on a subscription basis in high risk areas.

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2000-2010 Edit - origination of the concept

2019 Edit

SERAA - uses convertible communities to absorb displaced populations from natural disasters, also ReDs support