The global nanocellulose market is swelling fast, tipped to hit between US $1.5 billion and US $3.4 billion by 2032, depending on who’s counting. Now, New Zealand’s AgriSea wants a slice of that action. Its new NanoSea plant in Paeroa has just completed first trials, marking what’s believed to be the world’s first commercial-scale seaweed nanocellulose biorefinery.