Industrial composters are temperature-controlled, allowing enough moisture to support the micro-organisms used to break down biodegradable products.

As a result, polyesters are water resistant and can be melted and shaped into sheets, bottles, and other products, making certain plastics now available as a biodegradable product.

The festival uses renewable energy sources, recycled and biodegradable products and endeavours to limit solid waste.

In the 1950s, the use of this effluent during cold weather caused some consternation, with the introduction of artificial detergents but before the advent of modern biodegradable products.