Coffee becomes bad with climate change

A serious impact on the natural environment caused by climate change such as global warming is a problem on a global scale. It is a climate change problem that has been talked about damage such as an island that submerges with rising water level so far, but it is pointed out that the adverse effect that "coffee gets bad" will have on familiar daily life.

Climate change will make your coffee cost more and taste worse | Popular Science
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The pace of global warming since the 20th century is fast and it is pointed out that if the current global warming trend continues, there will be major damage such as an increase in the temperature at the global level and abnormal weather associated with it.In India the temperature is 50 degrees with heat waveAlthough it is warned that serious damage will occur, such as exceeding the possibility that the entire island will be submerged by rising sea level in Tuvalu in southern Territory, it is warned that "the country in somewhere" and the earth Many people think of the impact of global warming for each person is a reality. However, it is expected that the taste of familiar luxury goods' coffee greatly changes due to climate change, in short, it is expected to be "bad", and clear obstacles to daily life appear.

Production of coffee beans is possible only in places that meet the conditions such as an average of 20 degrees and a rainy season, and it is done in the highland in the range called "coffee belt" spreading north and south around the equator. Especially, in the mountainous areas where the temperature difference of day and night is large, it is possible to produce high-quality coffee beans with good taste, so the specialty place of coffee such as Kilimanjaro and Java is limited to part.


However, in Ethiopia, which is said to be the origin of coffee and is one of the world's leading coffee producers, more than half of the land where coffee is currently produced will become impossible to grow coffee by the rise in temperature in the near futureResearch report(PDF file)Has been issued. According to this study, it is predicted that not only Ethiopia but also coffee production such as Brazil, Indonesia and Colombia will halve by 2050.

As the temperature rise continues and becomes unsuitable for coffee production, the coffee plantation is obliged to move to highlands. To that end, economic support is essential so that farmers producing coffee can respond to emigration. In addition, methods of improving varieties of coffee beans that are more resistant to high heat by genetic modification techniques are also being studied. However, it is necessary to eliminate not only the technical difficulty but also the persistent distrust of genetically modified foods, it is unclear whether it will work or not.

However, as with wine for coffee "TerroirIt is said that there are soils suitable for growing called so called simply called the same temperature, it does not grow up. Of course, even with the same climatic conditions, soil richness is different, so we can not get the same quality coffee beans. For this reason, high-quality and expensive coffee beans are expected to sharply decrease production volumes depending on the direction of climate change, and coffee prices will soar.


Coffee price doubled due to drought in Brazil in 2014. However, climate change is like a drought in all coffee producing areas, and the price rise seems not to be a fuss about 2014. In the near future, it is likely that the situation that the delicious coffee can not be drunk can cause the change of the global environment to be undoubtedly realized.