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Plastic Waste Reduction Campaign

Last Updated July 14, 2022

Plastic Waste Reduction Campaign

Initiatives in FY2022

In conjunction with Environment Month in June 2022, we conducted a plastic waste reduction campaign.


Collaboration with Retail Stores

  1. Conducted store awareness at supermarkets, etc. in all 18 wards
    Through announcements in the store, posting POPs at stores, and sorting consultations by Yokohama City staff, we communicated our efforts to reduce plastic waste to citizens. In addition, at the store of Aeon Co., Ltd., which has concluded a comprehensive cooperation agreement with Motoichi, we carried out at all stores in Yokohama City.
  2. Posting signage and POPs, and calling for announcements in the store
    Participating stores: Aeon Style, Maibasuketto, FamilyMart, Lawson, Ministop
  3. Creation of Yokohama limited seals for take-out basket "My Basket"
    "Hera Star Meio" and "Yokohama 3R Dream! We have created a sticker with a Yokohama-only design featuring "Mascot Eo". By affixing this sticker to My Basket sold by Aeon AEON Style and promoting its use, it will lead to a reduction in shopping bags.
    Sales outlets :10 AEON Style stores in the city

    My basket



Event at the City Hall Atrium

  1. "Plastic measures to learn happily" Let's think about plastic garbage! " "(Saturday, June 18)
    Location: Atrium on the first floor of the city hall
    Lecture on the issue of marine plastic waste "Plastic waste that pollutes the sea in 2050, is the sea fine?" In addition, an event to set up a booth that introduces hands-on workshops and initiatives of companies, etc. "Plastic measures to learn happily" Let's think about plastic garbage! " It was held.

    Event handbill

    Flyer pdf (PDF: 1,255KB)
  2. Art Exhibition "ECO meet ART" (Friday, June 10-Saturday, June 18)
    Location: Yokohama City Hall 1st floor Citizen Collaboration Promotion Center Space A and B
    We held an art exhibition on the theme of waste and plastic issues.

    Art exhibition handbill

    The back of the art exhibition


    Flyer pdf (PDF: 1,313KB)
  3. Photo exhibition on the theme of marine life and marine plastic waste (Friday, June 17-Thursday, June 30)
    Location: City Hall 1F Exhibition Space
    Naoyuki Toyoda, President of the NPO Kai no Mori and Yama no Mori Secretariat and adventure photographer, exhibited photographs taken by himself in the sea.

    Naoyuki Toyoda Photo Exhibition

    Naoyuki Toyoda Photo Exhibition 2


Other Initiatives

  1. #Plastic Waste Reduction Twitter Campaign from Yokohama (Wednesday, June 1-Thursday, June 30)
    We conducted a citizen participation Twitter campaign on the theme of plastic waste reduction. We had you post plastic measures that citizen's all of you work on on Twitter with "# Plastic garbage reduction (outside site) from Yokohama".

    Yokohama Plastic Measures Twitter (https://twitter.com/yokohama_pla (outside site))

  2. Posting of station digital signage (Monday, June 6-Sunday, June 12)
    Yokohama Station Minami Passage and Municipal Subway Yokohama Station Signage

    Yokohama Station Signage

    Yokohama Station Signage 2



Initiatives in FY2021


In conjunction with Environment Month in June 2021, we conducted a plastic waste reduction campaign.

Collaboration with Retail Stores

  • Efforts in AEON Style

Panel displays, calls for in-store broadcasts, creation of "Plastics Smart YOKOHAMA" stickers to be attached to take-out or "My Basket", and store awareness was implemented at some stores.

Alternative material display photo

Store Enlightenment Photos


Panel display photo

Store awareness


  • Initiatives at Seven-Eleven

  Posting digital signage next to the cash register
  Posting period: From Tuesday, June 1 to Thursday, June 24

Efforts in the City Hall

  • Panel display

  We exhibited the current status of plastic issues, examples of corporate initiatives, and environmental slogans created by children.

Panel display

State of the exhibition



  Exhibition period: From Friday, June 11 to Thursday, June 17

  • Hands-on workshop

  We held hands-on workshops for elementary school students and parents to learn about marine pollution caused by plastic waste and microplastics.
  Date: Saturday, June 12 Number of participants: 54 pairs

It's like an atrium event

State of Atrium Event 2


  • Initiatives at stores of commercial facilities in the city hall

  POP advertisements related to the promotion of the use of My Bottles were posted, and Books & Cafe HAMARU had a book corner on plastic issues.
  Period: From Tuesday, June 1 to Wednesday, June 30

Initiatives utilizing SNS, etc.

"#Reducing plastic waste from Yokohama" Twitter campaign

We sent messages from people related to Yokohama every day for a month.
<Performer>
・Players, mascots, cheerleaders of the city sports team
・Announcers (tvk, RF Radio Japan, FM Yokohama)
・Idols active in the city
・Mascot character of each ward

Posting on Yokohama City Video Portal Site (YouTube)
  • Plastic garbage reduction video "Where do you go to plastic?"
  • Enlightenment video "Io goes!" with Io as the leading role

Posting of station digital signage

Yokohama Station Minami Passage, Municipal Subway Yokohama Station ticket gate period: From Monday, June 7 to Sunday, June 13
Minato Mirai Line Bashamichi Station Homedoor Vision Period: From Tuesday, June 1 to Wednesday, June 30

Yokohama Station Signage

Bashamichi Station Home Door Vision


Initiatives in FY2020

In June 2020, we conducted a campaign calling for the reduction of one-way plastic, taking advantage of the opportunity to pay for shopping bags. Due to the COVID-19 pandemic, the scale was reduced.



Posting posters

2020 Campaign Poster

2020 Campaign Poster 2


Posting of digital signage at Yokohama Station

Yokohama Station Signage

Yokohama Station Signage 2


Initiatives in FY2019


In June 2019, we conducted a campaign to reduce the amount of one-way plastic in cooperation with the Aeon Co., Ltd. Group companies.

Campaign poster(PDF:1,062KB)



Target stores: 356 stores in all Aeon Group stores in the city

  • Ion      8 stores
  • 3 Aeon Market stores
  • Daiei Supermarket     6 stores
  • 2 Maxvalu stores
  • Maruetsu     20 stores
  • 164 stores
  • 40 Ministop stores
  • 6 Well Shea Pharmacy stores
  • 107 hack-drug stores

Results of implementation

Compared to May, the rate of decline in shopping bags increased in June. (* General Supermarket "AEON" and "AEON Style")
On the other hand, according to the results of the consumer survey, only 40% of those who are working to reduce straws and plastic bottles. In the future, we will actively call on the market to curb the generation of these disposable plastics.


Rate of decline in shopping bags
April, 2019May, 2019June, 2019
80.75%79.83%81.98%

※Average at 5 general supermarkets Aeon and Aeon Style stores


Results of Consumer Questionnaire (Excerpt)

Q: "Do you know about environmental problems caused by plastics (marine runoff, microplastics, global warming, etc.)?"

Results of the questionnaire①

  • More than 90% of the recognition that marine pollution caused by plastic has become a global problem.
  • Less than 30% of respondents knew that "the amount of disposable plastic containers and packaging per person in Japan is the second largest in the world."

Q: "I would like to ask you about the actions to reduce the amount of disposable plastics. Do you have anything you usually do?"

Results of the questionnaire②

  • 60-70% of those who bring their own bags and those who buy refill products.
  • Only 40% of those using My Bottles and those who refused straws were in the 40% range.

Please refer to the following link for other questionnaire results and details.
Aeon x Yokohama City Plastic Waste Reduction Campaign-Let's review! Disposable-Questionnaire Results (PDF: 197KB)



Image of Io


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Inquiries to this page

Resources and Waste Recycling Bureau Policy Coordination Department 3R Promotion Section

Telephone: 045-671-3593

Telephone: 045-671-3593

Fax: 045-550-3510

Email address: sj-3rsuishin@city.yokohama.lg.jp

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Page ID: 479-895-985

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