The phrase "collapsing infrastructure" means that the systems and structures we rely on for transportation, communication, and other basic needs are falling apart or becoming unstable. Full definition
5) Irma and Maria collapsed the infrastructure, electricity, and communications lines of the British Virgin Islands: The British Virgin Islands were beaten by both Hurricanes Irma and Maria (though Maria caused less damage than some feared). (vox.com)
Still, the collapsed infrastructure and knocked out electricity and communications lines were enough to inspire Virgin Group founder Richard Branson to call for a Marshall Plan to help rebuild the British territory. (vox.com)
This idea has the potential, already half - realised, Lent says, to produce a split humanity, «one species, genetically and technologically enhanced, exploring entirely new ways of being human; the other species, genetically akin to us, barely surviving within its collapsed infrastructure.» (newscientist.com)