After the amazing success of the 1st African Conference of Tribology in 2014, we are happy to announce the 2nd African Conference in Tribology (ACT 2017) that will be held in Marrakesh, Morocco, from April 16th to April 19th, 2017. This 2nd ACT will focus on current and upcoming tribological challenges to improve our future, to be addressed by researchers from both the scientific and industrial sectors. Among the many problems considered will be the impact of tribology on human health, the environmental impact of tribology, etc.  Once again, strong interactions between research laboratories and industrial centers from all over the world are expected.