Participate in a city-wide challenge initiated by youth in SF to choose reusable cups!
View the map
Click the cup icons to see photos shared by people across San Francisco.
Frequently asked questions
Can I share a photo of my drink?
Yes! Please follow these guidelines when sharing your photo:
- Any drink in a reusable cup is welcome!
- Your photo should not show any person’s face.
- All photos are subject to verification.
Can I submit a photo without using the form?
Yes, you can also email your photo and its location to [email protected].
What are some tips for bringing my own reusable cup?
- Always bring a clean cup!
- Know the size of your cup (in ounces).
- Order your drink at the counter, not the kiosk.
- Take the lid off before handing your cup to the barista.
- Bring a pouch or case for your reusable straw.
What should I do if my reusable cup is not accepted?
- It’s okay, change happens over time! Ask the store to consider helping you reduce waste.
- Visit sfenvironment.org/byoc to get businesses involved and share guidelines for accepting reusable cups.
Student spotlights
Credit: Kelan Chen, KQED Youth Media Challenge
Credit: Zoe Wang, student at Abraham Lincoln High School
Climate Talks: Reuse Revolution
Climate Talks is a series of conversations designed for and led by SF youth to empower one another through community building, networking, and collaboration. For Plastic-Free July 2025, high school students Emily Yang, Kelan Chen, and Padma Balaji led the conversation on reuse as a climate solution.
Featured speakers Emily Yang (left) and Kelan Chen (right)
Featured speaker Padma Balaji (right)
SF Youth Commissioner Emily Yang inspires climate hope.
Kelan Chen presents a screening on reusable boba cups.
