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Blue School Day is celebrated on May 19 and, to mark the occasion in 2021, we ask our students to write and send letters in the name of the Ocean. The goal is to raise awareness among companies and brands, motivating them to become more responsible and engaged on the sustainability of the Ocean!

On Blue School Day, all schools must write and send letters to a company of their choice (one company per school) that supplies juice or individual packages of milk with disposable plastic straws.

Blue Schools should look for solutions and present alternatives to replace the use of disposable plastic straws. We urge them to be creative and to answer this challenge with a positive attitude, by challenging companies to form partnerships. Only working together can we foster significant changes.

Each school must send at least one letter, but they can send as many as they can! If a school decides to send only one letter, then it must be signed by as many students as possible. Letters should always be written by students, either individually or in group.

The letters should be sent on May 19 only, to really create a national movement on Blue School day. Envelopes must be identified with the “In the Name of the Ocean” sticker. On May 19, we also ask students and teachers to share photos of the action on social media, using the hashtags #DiaEscolaAzul #EmNomedoOceano #EscolaAzul #OceanDecade.

We are counting on you “In the Name of the Ocean”.


Download the template to write “In the Name of the Ocean”.

Download the sticker to put on the envelope.