Every year, the world produces up to 60 million tons of waste coffee grounds, most of which end up in landfills, where they release carbon dioxide and methane as they decompose—and methane has 21 times the greenhouse effect of carbon dioxide. A research team at RMIT University in Australia tried pyrolyzing coffee grounds to replace part of the sand in concrete, and found that coffee grounds treated at 350 degrees Celsius and mixed into cement at a 15% ratio increased compressive strength by 29.3% compared with the standard formula. This technology not only finds a new outlet for coffee grounds, but can also reduce river sand mining and lower greenhouse gas emissions. However, the research is still at an early stage, and netizens have mixed views on its feasibility. [more…]

Costa Rica is an important representative of specialty coffee in Central America, renowned not only for its high-altitude growing regions but also for its emphasis on environmental protection during production. This article provides a comprehensive analysis of the flavor secrets of Costa Rican coffee, covering the history of the origin, representative estates, harvest periods, variety characteristics, and grading classifications. The article also introduces well-known growing regions such as Tarrazú and Central Valley, as well as La Pila Estate's non-washed processing and methane recycling. Front Street Coffee recommends a variety of Costa Rican beans, taking you to experience the unique acidity and aroma and consistent quality of high-altitude Caturra varieties. [more…]

As people pursue health, many drinks marketed as sugar-free and low-fat have appeared in everyone's life. Coffee, as one of the world's three major beverages, is naturally no exception, and decaffeinated coffee has also been introduced—that is, the decaf coffee commonly seen in coffee shops today. So what are the characteristics of decaf coffee? Then [more…]