Editorial of the twenty first edition of Ambiente & Agua - An Interdisciplinary Journal of Applied Science

This issue marks the 21st edition of Ambiente & Agua. This edition has included 20 peer evaluated and reviewed articles, and all editions were published on time. We continue to employ a policy of complete open access, and to foster the visibility of articles. We continue to register the doi of all articles and to publish each issue as a single document in addition to the individual articles. This editorial emphasizes new important recognition received by the Ambiente & Agua journal.