For reviewers
Research depends on reviewers.
The best thing that can happento a paper is a good reviewer.
Every researcher has had one. The next paper needs one too.
Why researchers do it
What you get out of it.
Reviewing is unpaid. It is not unrecorded, and the record is worth having.
Recognition
Every review earns a certificate.
One for the work you did, issued the day your report reaches the editors, whether it is your first or your fiftieth.
Your certificates
Peer review certificateEnergy Catalyst · 26 August 2026PDF
Peer review certificateGreen Technology & Innovation · 4 July 2026PDF
BronzeFive reviews · 4 July 2026PDF
Certificate ranks
Black
Bronze
Silver
Gold
Diamond
Named by the journal
Two special honours, for exceptional reviewers.
Reviewer of the Quarter
Reviewer of the Year
Been handed one? Check a certificate against its serial.
Offer to review
Review for Caravel Press.
Tell us what you work on. An editor reads every offer.
Invitations, never assignments.
Decline any you are too busy for.
Join the reviewers we call on.