By the end of the century
There is hope
But not for long
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https://www.theguardian.com/environ...-brews-big-trouble-coffee-birthplace-ethiopia
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Coffee vies with tea as the worlds favourite beverage and employs 100 million people worldwide in farming the beans alone. But climate change is coffees greatest long-term threat, killing plantations or reducing bean quality and allowing the deadly coffee leaf rust fungus to thrive. Without major action both in the coffee industry and in slashing greenhouse gas emissions, coffee is predicted to become more expensive and worse-tasting.
The research combined climate-change computer modelling with detailed measurements of current ground conditions, gathered in fieldwork that covered a total distance of 30,000km within Ethiopia. It found that 40-60% of todays coffee growing areas in Ethiopia would be unsuitable by the end of the century under a range of likely warming scenarios.
There is hope
But the study, published in the journal Nature Plants, also shows that major relocation programmes could preserve or even expand the countrys coffee-growing areas. There is a pathway to resilience, even under climate change, said Aaron Davis, at the Royal Botanic Gardens Kew in the UK, who conducted the work with Ethiopian scientists. But it is a hugely daunting task. Millions of farmers would have to change.
But not for long
However, by 2040, such moves uphill will have reached the top of Ethiopias mountains. It literally reaches the ceiling, because you dont have any higher place to go, Davis said.
More here
https://www.theguardian.com/environ...-brews-big-trouble-coffee-birthplace-ethiopia
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