The recent COP23 climate change talks in Bonn, Germany, generated a lot of words but only a few baby steps of action. The global debate is moving ever so slowly from political rhetoric to economic solutions: governments are beginning to see that clean energy is both achievable and affordable — even if the president of the world’s great polluter, the US, remains sceptical and detached.

For shipping, it could have been another occasion to take cover and wait for the critical storm to pass: the maritime industry is usually a kicking post at these kinds of events for not doing enough.