A possible site for the centre is North Devon Biosphere - one of seven biosphere reserves in the UK.
Robin Campbell is supporting a bid to give the curry protected status under a Unesco-backed scheme.
The Knife Angel, made of more than 100,000 confiscated blades, helped inspire the exhibition.
Documents on the pioneering work of the Crichton Royal Institution in Dumfries are now recognised by Unesco.
It was "new cutting-edge technology" at the time, says archivist Luke Shackell.
Could the humble Scottish morning roll get protected Unesco status?
The ancient practice in the Forest of Dean dates back more than 800 years.
A nine-year-old long-distance runner, tiny bug hotels and an NHS choir all feature this week.
A map is launched of Unesco World Heritage sites that can be reached by train.
