What will happen to oil and gas workers as the world turns carbon neutral?

Building a wind farm or solar energy project is nothing professionals in fossil fuels can't manage, but there are too few programmes to help them retrain

Adriaan Kamp used to be a die-hard oilman. After 17 years at Anglo-Dutch oil company Shell, the 54-year-old Dutchman now runs a consultancy based in Oslo advising national governments on transitioning to cleaner energy.

"In 2007 to 2008, we were looking at future energy scenarios in the Shell Group [and] there was a question on my desk about how do we play with renewables," he says. "And from there, the journey started."