If you look at the top of this blog, you’ll see a special toolbar. It’s to show I support Earth Hour, which happens this year on March 28th between 8.30pm and 9.30pm. Earth Hour is an energy-saving initiative to combat the greenhouse effect and protect our environment. You can find out more at the Earth Hour website. The message bar at the top of this blog is via a plug-in from the good folk over at Brave New Code. When…