Migrants, tens of thousands of whom could be left in limbo in the uk. the home office has said it doesn't recognise the figures. the united nations is warning of an approaching global water crisis because of pollution, global warming and over—consumption. it's published a new report on the issue before the first dedicated water summit in more than a0 years. consumption of water keeps rising, and the report says about 10% of the world's population live under water stress — where the ratio of water use to water availability — is considered "high" or "critical". at the last assessment in 20...