In fact we must acknowledge the fact once mentioned my Amartya sen that we have a composite of identitites. For exapmle I am an Asian and at the same time an Indian, a south Indian, a Keralite, a man from Central travancore, a man from my native village and which a man from my home. Also I am Hindu, who believes in the coexistence of other religions. Thus if we count on we are defined by lot of identities. Anybody can write on any aspect of any of those facets of our identity. Also we can write on the existence of mankind as a whole and the problems faced by earth as a whole etc. Nobody needs to be particularly offened by this.