As I am sure you are aware China is a permanent member of the UN Security Council, and with its assent I'm sure things could get moving.
Although not a great fan of Blair I think he did the right thing in taking a stand in Kosova, unfortunately he tried to do the same in Iraq and the repercussions of that adventure has led to an attitude of not 'poking your head above the parapet'

I don't go to mythical places with strange men.
-- Douglas Adams, The Long Dark Tea-Time of the Soul.