Complex sentence: There is a general consensus that the loss of languages constitute a critical loss to the cultural diversity of the world and a number of projects are aimed at preventing or slowing this loss by revitalizing endangered languages and promoting education and literacy in minority languages.
Split into simpler sentences: There is a general consensus that the loss of languages harms the cultural diversity of the world. Many projects are under way aimed at preventing or slowing this loss by revitalizing endangered languages and promoting education and literacy in minority languages.