Change the cup, not people!
Instead of educating the public on environmental concerns and waste disposal, connect an upside to the downside of the inconvenience of carrying around a travel mug.
The CoffeeBags concept does not ask people to bring their biodegradable cups to a recycling station. Neither does it ask people to reuse their dirty cup over and over again. It will therefore not imply a change of behavior to the current coffee consumer! It will simply give people the opportunity to earn a free coffee for re-using their clean, easy to carry, foldable cup five times!
Conventional coffee cups take up a huge amount of space in the waste-bin, simply because they are filled with air. This means that each waste-bin filled with cups, is also filled with over 50% of air, very inefficient! And the cups cannot be recycled, even if made from biodegradable material, simply because they are not disposed separately from plastics or other non-recyclable materials.
The CoffeeBags concept separates the coffee-bag and lid from the cardboard cup. The coffee bag and lid are disposed normally, implying no change of behavior for the regular coffee consumer. The cup, made from biodegradable cardboard, can be folded to pocket-size and serves as a collector for coffee stamps. Each time, the consumer returns to Starbucks for a new coffee bag, he/she collects a stamp. After five times of re-using the (still clean!) cup, the consumer gets a new one and a free coffee! Starbucks collects the used cups and is in control of the waste separation!
On a larger scale this system implies two major positive effects on the current impact of coffee consumption:
Waste-bins filled with half of the current waste of used coffee cups, which means they have to be emptied only half of the time, implying half of the transport and half of the current emissions and so on.
The design of CoffeeBags allows Starbucks to be in control of the waste handling. The returned cardboard cups can be disposed separately from plastics and recycled into new ones!

€20,000 Overall Community Prize
to be defined Sold Idea
Product Design: Help reduce waste from coffee-to-go paper cups and come up with sustainable solutions!
Closed
Announced
Submission Period (61 Days)
CoffeeBags
Aktueller Rang: 48
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dcanon
Also, corrugate will not be able to maintain a secure hold to the bag. What material is the bag made of? Have you thought of how it will secure to the cardboard cup?
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arddesign
Good work!
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omaroyoun
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Janne
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flankworks idea owner
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wvolkers
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Jazz78
-How does that get recycled/remain sustainable?
-How can this be adapted for use by small local coffee shops?
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Jazz78
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sweetmelissa9978
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flankworks idea owner
A strong point of this concept is that the cardboard cups are of one size however, the CoffeeBags come in several sizes which all fit in the carboard cup. The benefit of this is in the volume; shipping and storing a variety of different cups requires more than a variety of CoffeeBags. Besides this, this concept is rather easy to be mass-manufactured by, for instance, a private label manufacturer. In this case the local coffee shops can have their logo or other graphics printed on the cups by the manufacturer.
@sweetmelissa9978: The idea behind the CoffeeBags is that you keep the cardboard cup for (limited) re-use and to save stickers for a free coffee. The CoffeeBags will be recycled with with the lids. As the cardboard cup is separated from the CoffeeBag, it remains completely clean as the CoffeeBag is the only part of this concept that makes contact with the coffee and the lips of the consumer.