clay

Illustration photo of peacock with feathers out

Nature’s colours can replace toxic pigments

Dye pigments are often toxic, so researchers around the world have long been looking for effective ways to make non-toxic, recyclable and sustainable colours instead. The answer lies in nanotechnology and nature’s own methods.

Eco-cement from Norwegian clay

Blue clay from Norway is emerging as a climate-friendly alternative to cements used to make concrete – turning a waste material into a resource.