By Christian May A quiet revolution occurred in the very earliest moments of this morning, probably while you were asleep. You went to bed in one sort of country, and woke up in another sort entirely. The difference is largely invisible but undeniably huge: yesterday, the UK’s last coal power station was still operational and by this morning it wasn’t. As of today, and for the first time in 142 years, the UK no longer generates electricity from burning coal. The Ratcliffe-on-Soar power station, near Nottingham, began producing power from coal in 1967. Its formal closure, at a minute after midn…