interesting broadcast on the new coffee variety , that they reckon may rejuvinate sierea leone production Coffea Stenophylla
up until now we use just 2 of the 130 odd varieties, but they're looking for varieties that will survive global warming, apparently its like Rwandan high altitude arabica.
https://www.bbc.co.uk/sounds/play/m000v9c9 >=10"
James Hoffman has some thoughts about this after he acquired a sample.