[Saitama Prefecture] 'SDGs Fair @ Cocoon City 2026' Announcement
Saitama Prefecture and Cocoon City will host the 'SDGs Fair @ Cocoon City 2026' from June 5th to 14th, in line with Environment Month. The event features SDG-related workshops, a clothing collection campaign, and the 'Saitama Uchimizu Operation 2026' to combat the heat island effect.
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- 📰 Published: May 27, 2026 at 01:00
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In coordination with Environment Month in June, Saitama Prefecture and Cocoon City (managed by Katakura Industries Co., Ltd.) will collaborate to hold the 'SDGs Fair @ Cocoon City 2026' from Friday, June 5, to Sunday, June 14.
The event includes SDG workshops hosted by companies—such as creating goods using waste plastic—exhibition booths for learning about SDGs through experience, and a clothing collection campaign.
Furthermore, the 'Saitama Uchimizu Operation 2026' will be held simultaneously to practice global warming and heat island countermeasures through 'Uchimizu' (sprinkling water). Participants will perform this traditional method of cooling summer days together to lower surface temperatures.
■ 'SDGs Fair @ Cocoon City 2026' Overview
(1) Period: Friday, June 5 – Sunday, June 14, 2026
Location: Cocoon City (4-263-1 Kishiki-cho, Omiya-ku, Saitama City)
(2) Contents
- Exhibition booths to experience and learn about SDGs (June 5–14)
- SDG workshops by members of the Circular Economy Promotion Subcommittee (June 6–14)
- Clothing collection campaign (June 12–14, 10:00–13:00)
*Those bringing 5 or more pieces of unwanted clothing and answering a survey will receive a 500-yen shopping voucher, limited to the first 300 people each day.
■ 'Saitama Uchimizu Operation 2026' Overview
Date: Saturday, June 6, 2026 *Postponed to June 7 if it rains
Location: Cocoon 2, Cocoon Hiroba
Uchimizu Time: From 14:00 (approx. 30 minutes)
The event includes SDG workshops hosted by companies—such as creating goods using waste plastic—exhibition booths for learning about SDGs through experience, and a clothing collection campaign.
Furthermore, the 'Saitama Uchimizu Operation 2026' will be held simultaneously to practice global warming and heat island countermeasures through 'Uchimizu' (sprinkling water). Participants will perform this traditional method of cooling summer days together to lower surface temperatures.
■ 'SDGs Fair @ Cocoon City 2026' Overview
(1) Period: Friday, June 5 – Sunday, June 14, 2026
Location: Cocoon City (4-263-1 Kishiki-cho, Omiya-ku, Saitama City)
(2) Contents
- Exhibition booths to experience and learn about SDGs (June 5–14)
- SDG workshops by members of the Circular Economy Promotion Subcommittee (June 6–14)
- Clothing collection campaign (June 12–14, 10:00–13:00)
*Those bringing 5 or more pieces of unwanted clothing and answering a survey will receive a 500-yen shopping voucher, limited to the first 300 people each day.
■ 'Saitama Uchimizu Operation 2026' Overview
Date: Saturday, June 6, 2026 *Postponed to June 7 if it rains
Location: Cocoon 2, Cocoon Hiroba
Uchimizu Time: From 14:00 (approx. 30 minutes)
FAQ
「SDGsフェア＠コクーンシティ2026」はいつどこで開催されますか？
令和8年6月5日（金）から14日（日）まで、さいたま市大宮区のコクーンシティで開催されます。
衣料品回収キャンペーンの内容は何ですか？
6月12日から14日まで実施され、不要となった衣料品を5着以上持参しアンケートに回答すると、各日先着300名にお買物券500円相当がプレゼントされます。
「さいたま打ち水大作戦2026」の詳細は？
6月6日（土）14時からコクーンひろばにて実施されます（雨天時は7日に延期）。参加者で一斉に打ち水を行い、地面の温度を下げる効果を測定します。
SDGsワークショップの内容は何ですか？
6月6日から14日まで、廃プラスチックを活用したグッズ作りなど、SDGsに関連する体験型ワークショップが開催されます。
このイベントはどのような目的で開催されますか？
6月の環境月間に合わせ、SDGsについて楽しく体験・学び、環境保全やヒートアイランド対策を推進することを目的としています。