Unrest in North Africa and the Middle East, coupled with the disaster in Japan, threatens the sustainability of the global economic recovery, but the momentum of growth is thought to be strong enough in most regions to absorb the shocks. However, global economic growth projections are being reduced, dropping to around 4% for 2011. Despite the fact that short-term oil and gas supply and demand remains relatively balanced, oil prices have gone up in anticipation of supply shocks.