Lesson 4 Let It Be Green
A Better Future for Coffee Waste
The famous German musician Johann Sebastian ____ once said,
____ my morning coffee, I’m just like a dried-up piece of goat.”
Today this sentiment is shared ____ many, with coffee shops springing up on almost every street corner,
and it is common to see city residents walking around with a cup of coffee in ____
According to the International Coffee Organization (ICO), approximately 10 billion tons of coffee was consumed worldwide ____ 2020 and 2021,
and Koreans ____ a signif icant contribution to this huge total, consuming 150,780 tons of coffee.
This means that every Korean adult drank an average of one cup of coffee every day ____ the year.
Clearly, for Koreans ____ other world citizens, coffee is not just a drink but a daily necessity.
The world’s widespread love of coffee
The ____ widespread love of coffee comes at a substantial environmental cost, as the extraction process generates significant waste.
Only 0.2 percent of a coffee bean ____ used to make coffee, with the remaining 99.8 percent disposed of as waste.
As a result, the vast quantity ____ coffee consumed worldwide produces millions of tons of coffee waste each year.
So, what happens to all ____ waste from the coffee extraction process?
Spent ____ grounds (SCGs) are classified as general waste and sent to landfills.
There they break down, releasing methane, a greenhouse gas that is approximately 25 times ____ potent than CO2.
Some SCGs are incinerated ____ of being buried, but this releases a lot of CO2: 338 kg per ton.
____ neither of these waste management options takes into account the potential value of coffee grounds.
Although the grounds ____ valuable organic compounds and minerals, they are simply destroyed.
Fortunately, thanks to increased
Fortunately, thanks to increased awareness of the coffee waste problem, ____ organizations, and governments around the world are working hard to improve the environmental impact of the coffee industry through circular economy measures.
A circular economy promotes the reuse of resources for as long ____ possible, reducing waste and environmental costs.
An example of a circular economy in action occurs when a chain of coffee shops collaborates with an organization to collect spent coffee grounds from its ____
These grounds are processed to remove impurities and dried ____
The resulting SCGs are sold to fertilizer companies, where they are transformed into ____ fertilizer.
This fertilizer is later sold ____ to the coffee shop chain.
The chain provides the fertilizer to local eco-friendly farmers, who then sell their produce back to ____ chain.
The farm produce can be used to create various food items, such as rice chips and dried sweet potatoes, which are sold in the ____ coffee shops.
By repurposing coffee grounds ____ this manner, related businesses and local farmers can benefit both economically and environmentally.
Recycled coffee grounds
Recycled coffee grounds have a ____ range of uses, including coffee logs, fabrics for clothing and shoes, and reusable cups.
Coffee logs, for instance, generate more heat and burn for a longer ____ than wood.
Fabric made from coffee grounds absorbs sweat, dries quickly, and provides ____ protection.
Reusable cups from coffee ____ not only have a visually appealing appearance but also preserve the taste of the coffee.
Korea has shown a growing interest in recycling spent coffee grounds in recent ____
The government is taking steps toward the creation of a sustainable recycling system in the coffee ____
while companies are dedicating themselves to researching and developing new uses for ____ waste.
By recycling materials such as coffee waste, individuals can also ____ protect the environment.
With continued efforts, the recycling of used coffee grounds is expected to increase, encouraging more sustainable methods ____ enjoying coffee for years to come.