"Energy security" is a lopsided way of framing our energy problem, and left un-balanced, will do more harm than good.
Why? Because the shortest, cheapest route to energy security (or “independence,” if you like) is through coal, and coal is … wait for it … the enemy of the human race. This is not just true for China and the U.S.; Germany, Britain, and even France are planning a slew of new coal plants.
For more on this crucial point, see this fantastic post from Jerome a Paris.