One of the benefits – and pleasures of Davos – is the chance conversations that strike up among strangers, either in the fringes of meetings or on the shuttle buses that ferry people around town.

On Wednesday evening, I was in a shuttle bus with three other people. One of them introduced himself as Kumi Naidoo, head of Greenpeace in South Africa.

Sitting opposite him happened to be Tulsi Tanti, chairman of Suzlon, an Indian wind energy company that has an operation in South Africa. They started to talk about wind and solar energy in Africa.

After five minutes, the other man introduced himself as an executive of a South Korean solar energy company that was wondering about expanding into Africa. When we arrived at the Congress Centre, they all exchanged cards and went on their way, their random meeting done.

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