You tried going to http://ambassadors-env.com/blog/2014/02/06/pozivamo-vas-da-5-juna-2014-godine-uzmete-aktivno-ucesce-u-konferenciji-zivotna-sredina-ka-evropi-ene14-env-net/
, and it doesn't exist. All is not lost! You can search for what you're looking for.