Earlier, the hospitals' crisis was described as being at "melting point" following the cancellation of all non-emergency surgery at Craigavon Area Hospital due to record bed shortages.

BBC: Virus heightens beds crisis

Environmentalists point to Inuit communities threatened by melting ice in Greenland, and those living around the fast-shrinking Lake Chad in Africa, as among many already feeling the effects.

CNN: Drowning islands warn of future perils for 'environmental refugees'