This had more publicity on the BBC at any rate than last year. Updates were posted throughout the day as 8.30 pm reached each part of the world. Late last night this article about the Uk was posted online.
Colin Butfield, campaign director for WWF, said a number of "iconic landmarks" such as Buckingham Palace, the Gherkin, the Houses of Parliament, Tower Bridge and the London Eye were plunged into darkness for an hour to mark the event.
On Facebook's page, and on the Earth Hour website there were a lot of facetious comments, as well as the positive. Some people feel morally obliged to represent the negative and anti-communal side of human nature. Oh well. It just shows how different we are, and how variable the nature of the human beast.