Lesson 4 Let It Be Green
A Better Future for Coffee Waste
The famous German ____ Johann Sebastian Bach once said,
“Without ____ morning coffee, I’m just like a dried-up piece of goat.”
Today this sentiment is shared by many, with coffee shops springing up on almost every street ____
____ it is common to see city residents walking around with a cup of coffee in hand.
According to the International Coffee Organization (ICO), approximately 10 billion tons of coffee ____ consumed worldwide between 2020 and 2021,
and Koreans made a signif ____ contribution to this huge total, consuming 150,780 tons of coffee.
This means that every Korean adult drank an average ____ one cup of coffee every day throughout the year.
Clearly, for Koreans and ____ world citizens, coffee is not just a drink but a daily necessity.
The world’s widespread love of coffee
The world’s widespread love of coffee comes at a substantial ____ cost, as the extraction process generates significant waste.
Only 0.2 percent of ____ coffee bean is used to make coffee, with the remaining 99.8 percent disposed of as waste.
As a result, the vast quantity of coffee consumed worldwide produces millions of tons of coffee waste each ____
So, what happens to all the waste from the ____ extraction process?
Spent coffee grounds (SCGs) are classified as ____ waste and sent to landfills.
There they break down, releasing methane, a greenhouse gas that is approximately 25 times more potent ____ CO2.
Some SCGs are incinerated instead of ____ buried, but this releases a lot of CO2: 338 kg per ton.
However, neither of these waste management options takes into account the potential value of coffee ____
Although ____ grounds contain valuable organic compounds and minerals, they are simply destroyed.
Fortunately, thanks to increased
Fortunately, thanks to increased awareness of the coffee waste problem, companies, organizations, and governments around the world are working hard to ____ the environmental impact of the coffee industry through circular economy measures.
A circular economy promotes the ____ of resources for as long as possible, reducing waste and environmental costs.
An example of a circular economy in ____ occurs when a chain of coffee shops collaborates with an organization to collect spent coffee grounds from its shops.
These grounds ____ processed to remove impurities and dried out.
____ resulting SCGs are sold to fertilizer companies, where they are transformed into organic fertilizer.
This fertilizer is later sold back to the coffee shop ____
The chain provides the fertilizer to local eco-friendly farmers, who then sell ____ produce back to the chain.
The farm produce can be used to create various food items, such as rice ____ and dried sweet potatoes, which are sold in the chain’s coffee shops.
By repurposing coffee grounds in this manner, related businesses and local farmers can benefit ____ economically and environmentally.
Recycled coffee grounds
Recycled coffee grounds have a wide range of uses, including coffee ____ fabrics for clothing and shoes, and reusable cups.
Coffee logs, for instance, generate ____ heat and burn for a longer time than wood.
Fabric made from coffee grounds absorbs ____ dries quickly, and provides UV protection.
Reusable cups from coffee grounds ____ only have a visually appealing appearance but also preserve the taste of the coffee.
Korea has shown a growing interest in recycling ____ coffee grounds in recent years.
The government is taking steps ____ the creation of a sustainable recycling system in the coffee industry,
while companies are dedicating themselves to researching and developing new uses for coffee ____
By ____ materials such as coffee waste, individuals can also help protect the environment.
With ____ efforts, the recycling of used coffee grounds is expected to increase, encouraging more sustainable methods of enjoying coffee for years to come.