The Clean Technologies Outstanding Reviewer Award is given annually to recognize reviewers who generously contribute their time to reviewing papers and display thoroughness, professionalism, and timeliness while doing so. Winners will be chosen from all the previous year's reviewers and revealed by the end of March each year.

The Prize:
- CHF 500;
- A voucher to fully cover article processing fees valid for one year;
- A certificate.

Number of Winners: 1