One of the most difficult mental processes in the world is to get rid of a preconceived idea. That's particularly true when it comes to the workplace and the roles different people play in it.

Every year, the non-profit Global Footprint Network calculates the day when people begin to use more resources than the Earth can produce in a year. Earth Overshoot Day came earlier than ever before this year yet another sign that we need to act to save the environment now, says Susan Huebert.

Outdoor events are often affordable informal events, which allows a range of people to attend. But that also means that sometimes, standard rules of etiquette and good behaviour in public are forgotten, says Susan Huebert.