How eyes in the sky can cut survey costs and enable researchers to identify key but hard-to-reach populations

Collecting representative survey data on large populations of people can be a very time-consuming and expensive undertaking. But it doesn’t have to be; Marco J. Haenssgen and Ern Charoenboon explain how they have used freely available satellite images to survey hard-to-reach communities in Thailand and Laos. Countries all around the world are thinking about how to tackle the growing problem […]