A University of Kansas (KU) researcher studying trade and globalisation has found that the shift to "technified" coffee production in the 1970s and 1980s has created harsher economic and ecological consequences for heavy coffee-producing nations, such as Honduras, Colombia, Guatemala, Brazil, Vietnam and Ethiopia.
"Historically, coffee has been exploited by the West in various ways, because it's consumed in rich countries, and grown in poor ones," said Alexander Myers, a KU doctoral candidate in sociology.
Myers said the shift to technified coffee production changed the process to look more like traditional large wheat or soybean farms in the US as opposed to allowing coffee plants to grow in smaller shaded areas.
The latter process used much less water, for example, and it allowed farmers to diversify their crops and use their land to plant other crops as well.
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"Especially these peasant farmers who may have a small plot of land, they rely almost exclusively on coffee sales to sustain themselves," Myers said.
Major drops in commodities prices of coffee beans to around USD 0.50 per pound in 2001 nearly wiped out economies of those nations, for example, researchers said.
"That really hit the farmers hard, and it caused a lot of these family farms that have historically relied on coffee to keep themselves afloat," Myers said.
The technification of coffee production also required a new type of coffee bean to grow effectively, but the process also required much more water to produce.
"It's very taxing environmentally," Myers said.
The fair trade movement in the past two decades has helped to offset somewhat both the economic and ecological changes, especially for poorer farmers in developing countries.
Myers said such movements could help raise awareness especially among coffee drinkers in Western nations.
"What we do matters. The choices that we make, the products that we buy have an impact on somebody," he said.