I am pleased to announce that the Semantic MediaWiki of the Month for April 2013 is the Tethys.
Tethys facilitates the creation, annotation, and exchange of information on the environmental effects of Marine and Hydrokinetic (MHK) and Offshore Wind (OSW) technology.
Congratulations to the Tethys team for all of your hard work and thank you for sharing your wiki with us.
As always, please do not forget to nominate your wiki. Just follow the instructions here: