There are an increasing number of options open to ports looking to curb or even eradicate emissions.

It is no longer enough for ports to be seen to be making efforts to lower their carbon footprints – they have to prove they are doing so. But how should a port approach the issue of having its emissions verified?

Ports of Auckland in New Zealand might be cutting a path for others to follow in terms of verification. It has a goal to become zero-emissions by 2040 and has completed the first step by accurately measuring its emissions and developing a plan to reduce them.