Climate crisis to deliver ‘ongoing systemic shocks’ to production as hot conditions become more frequent, researchers say
The optimal growing temperatures for the two major coffee varieties, arabica and robusta, are 18 to 22C and 22 to 28C.
The researchers wrote: “With climate change projections showing a continued rise in temperatures in the tropics is likely, we suggest that coffee production can expect ongoing systemic shocks.” Richardson said: “If you have a shock to the supply of coffee in any given year, if there isn’t enough coffee stored from previous years, then you could expect the price to increase.”
“During El Niño events, we see a greater chance of conditions being too hot or too dry, and it’s roughly the reverse for La Niña,” Richardson said.
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