What colour is the inside of an iceberg? It’s not a question many of us consider. But when Zaria Forman, an artist and climate campaigner, asked Unison Colour, one of the country’s leading pastel-making companies, to create a new blue for a study of melting ice, the team based in Northumberland National Park gave it serious thought. “Zaria was already using our pastels, so when she needed a specific deep turquoise, she came to us,” says Dan Hersey, managing director of the business his parents started in 1987. “Once artists have tried them, they rarely want to use anything else,” adds his mother Kate. “People like the variety of colours, the density of the pigment and the consistency. They’re wonderfully soft but not crumbly.”
John, Kate’s husband, would have been…
