All entries must be accompanied with a signed photo licence agreement.

Upon submission, photographers agree to the Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0). Onewater and UNESCO must give appropriate credit, provide a link to the license, and indicate if changes were made to the photography. Neither organisation intends to make any changes. This licence means that UNESCO and Onewater can share (copy and redistribute the material in any medium or format) and adapt (remix, transform, and build upon the material) any material received, while giving appropriate credit to the photographer as the original content creator.

Submissions may be submitted by an individual or an organization. They must be the original work of the participant or organization. No more than one (1) prize will be awarded per participant.

Submissions must not plagiarize or violate any intellectual property rights.

As a participant you acknowledge and agree that your entry may be promoted by the organizers on their website(s) and/or in various media (including via paper, data and digital media) at the organizer's discretion.

Judges will agree to a statement of no conflict of interest.

Judges' scores will not be shared with participants at any time. The entry receiving the highest aggregate scores will win the first place prize.

Honorable mention prizes will be given to the next 12 highest scores.

The winners will be required to provide their first and last name, mailing address, phone number and bank account information to the Organizer within 72 hours of notification.

Participants under the age of 15 must obtain their parents’ or legal guardians’ permission to participate in the contest