Interesting initiative I just became aware of:
#Peerreview is a finite resource, and every review invitation presents a choice about where our time goes. The Diamond Reviewer Pledge asks researchers to commit to reviewing at least one article a year for a #diamond #openaccess journal — free to publish, free to read, and run by the scholarly community. It takes a minute to sign and helps sustain the journals that keep research open to everyone. Learn more and join: