They already have "fog catchers" in Atacama desert, see for example http://www.bbc.com/mundo/noticias/2015/05/150521_atrapanieblas_chile_desierto_lp http://www.

They already have "fog catchers" in Atacama desert, see for example http://www.bbc.com/mundo/noticias/2015/05/150521_atrapanieblas_chile_desierto_lp http://www.bbc.com/mundo/noticias/2015/05/150521_atrapaniebl...