To wake in a mountain house in the Japan Alps is a reminder as to why the sanity of cool air, no sound of cars, and a view of steep forested slopes disappearing into the mists rests the body and soul. For the past week in my flat in Tokyo I haven’t slept – or that’s how it feels.

People Tree customers, supporters and staff gathered at , Blue Moon , an eco-beach house in Hayama where bikinis and promoting environmental issues go hand in hand.