I once wrote that peak oil might push countries to get back to coal. It is already the case as the International Herald Tribune states it in a recent article.
Indeed in Japan and the UK, old coal mines are reopening or see their activity increase. This albeit the fact that coal is by far the most emitting carbon dioxide emitting solution.
I sometimes wonder at how such solutions can be considered with all the fuss that is made on climate change and the very urgency of its mitigation.