Save the earth and invest with us

This Saturday at 8.30pm, millions of people around the world are expected to turn off their lights as part of Earth Hour, a grassroots movement that aims to send the world's political leaders a signal that they are demanding action on the issue of climate change. Hong Kong is onboard, and so is RBS who is one of the corporate sponsors in Hong Kong.

So the bank took the opportunity to highlight the effort -- and then tout its own green investment opportunities -- in a neat marketing move that underscores how sustainable investment projects are not only on the drawing board but are actually under way, despite, and in some cases...