Biodegradable and Renewable Natural
Merino wool is Natural, Biodegradable and Renewable Natural: There is no argument that wool is completely natural and is not man-made. Wool grows on the sheep naturally as a form of protection against the elements of nature such as the sun, rain, snow, the wind, and hail etc.
Biodegradable
When wool is disposed of and is buried in the ground, in comparison to other fibres, depending upon soil conditions it quickly breaks down or biodegrades. Wool is rich in Nitrogen a beneficial nutrient i.e. comprising around 16 % by weight, which after decomposing is released into the soil.
Renewable
Wool is a renewable resource. To produce wool sheep, need grass and water, and the wool will grow. Most sheep are shorn of their wool once per year, and the wool naturally grows back, then it is shorn again the following year and so on.