While the Human Fertilisation and Embryology Authority has drawn up a list of the conditions for which it is permissible to screen, decisions as to whether to fund this on the NHS are made on a case-by-case basis at a local level.

BBC: Parents 'refused genetic tests'

According to Galveston's housing authority, there is a waiting list of 1, 200 applicants for public housing.

WSJ: A Texas-Size Housing Fight

If one looks at the IUCN Red List, the global authority on threatened species, the concentrations are much higher, with 83% of the most threatened birds, 82% of the most threatened mammals, and 90% of the most threatened amphibians concentrated in the Hotspots.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part Two