The celebrity entrepreneur got involved in setting up the Carbon War Room, a not-for-profit organisation that is seeking to cut carbon-dioxide (CO2) emissions by businesses — which has resulted in him taking an interest in shipping via vessel efficiency-data rankings developed by vetting company RightShip.

Responding to an initiative for ports to give discounts on berthing fees to fuel-efficient and clean ships, Branson told the Bloomberg news agency that the environmental incentives will only increase over the next few years.

“That