Brazilian Scientists Crossbreed Rare Coffee Species to Protect Future Brews from Climate Change

Researchers at the Campinas Agronomy Institute in Brazil are developing new, resilient coffee hybrids by mixing traditional Arabica beans with rare, wild species to combat the escalating threats of global warming.

As rising temperatures and unpredictable weather patterns threaten to make up to 20% of current Arabica growing regions unsuitable by 2050, scientists are turning to the genetic diversity of non-commercial varieties like racemosa and liberica. While Arabica is prized for its flavor, it has a narrow genetic base that makes it highly vulnerable to heat, drought, and pests. By contrast, species like liberica are known for their hardiness and ability to thrive in much harsher, drier climates.+2

The process is a long-term endeavor; creating a stable new hybrid that maintains high quality while gaining environmental resistance can take between 20 and 30 years. Beyond climate resilience, these “remixed” varieties are also being tested for their ability to withstand common threats like coffee rust (a devastating fungus) and the leaf miner moth.+1

This research is considered vital for the survival of the industry in Brazil—the world’s largest coffee producer—aiming to ensure that global supplies remain stable even as the planet warms.