Wool and the Environment | Wool Facts (2024)

It’s easy to be confused about the eco-credentials of wool. More than one independent report has named wool among the worst environmental offenders, but the industry itself touts it as being sustainable.

The Made-By Environmental Benchmark for Fibres ranks wool as a “Class E” fibre, the worst category possible, based on its greenhouse-gas emissions, human toxicity, eco-toxicity, and energy, water, and land use.

Similarly, the Higg Index, collated by the Sustainable Apparel Coalition, ranks wool as the eighth-worst material for cradle-to-gate environmental impact (i.e. from “resource extraction” to factory gate, before being transported to the consumer) – after silk, alpaca fleece, cow leather, goat leather, conventional cotton, hemp, and pig leather.

On the other hand, lobby group Woolmark’s website repeats that wool is “[f]rom nature, for nature”, uses “[l]ess energy and water than other fibres”, and contains “[n]o microplastics”. The Campaign for Wool, an international industry-backed marketing effort fronted by Prince Charles, claims that wool production is a “low risk” to the planet.

The reality is that wool isn’t green – it’s just greenwashed.

Consumers are becoming more concerned about environmental issues, and brands are taking notice, sometimes with genuine moves towards more sustainable production but more often with “greenwashing”. Greenwashing is a practice whereby a company spends more time and money on marketing its product as environmentally friendly than on actually addressing its environmental impact.

The International Wool Textile Organisation’s (IWTO) webpage about sustainability states that “[t]he wool industry is dedicated to making wool’s environmental qualities more understandable and accessible. IWTO and its members regularly invest in scientific research so that wool’s environmental credentials can be quantified and communicated”.

It’s clear that the wool industry is invested in a green marketing strategy, but do any of its claims about wool’s sustainability actually stack up?

From water pollution to wildlife “culling”, the answer is no. Read the articles below for more information.

Wool and the Environment | Wool Facts (1)

Land Clearing

Wool and the Environment | Wool Facts (2)

Greenhouse Gases and Wool

Wool and the Environment | Wool Facts (4)

Sheep Dip

Wool and the Environment | Wool Facts (5)

Wool Processing

Wool and the Environment | Wool Facts (6)

Water Use

Wool and the Environment | Wool Facts (7)

Wildlife ‘Culling’

Wool and the Environment | Wool Facts (8)

Microfibre Pollution

Wool and the Environment | Wool Facts (2024)

FAQs

How does wool affect the environment? ›

As with other forms of animal agriculture, raising sheep for wool gobbles up precious resources. Land is cleared and trees are cut down to make room for grazing, leading to increased soil salinity and erosion and a decrease in biodiversity.

Is 100% wool sustainable? ›

100% natural and renewable, wool is the most reused and recyclable apparel fibre on the planet. Merino wool is finer than human hair, can be softer than cashmere and gentle on even the most sensitive skin. Wool is 100% biodegradable so does not contribute to microplastic pollution in our oceans or land.

Is all wool non-toxic? ›

All woollen products are renewable and biodegradable. There are many types of wool, but a certified 'organic wool' means the wool has been produced without any chemicals. Chemicals are commonly used on farms to help the farmer increase yields.

Why is wool not used in clothing? ›

Wool is one of the most environmentally damaging materials.

According to the groundbreaking “Pulse of the Fashion Industry” report, wool is one of the four most environmentally damaging materials. Since it's one of the lucrative co-products of the unsustainable meat industry, this is hardly surprising.

What wool is best for the environment? ›

Ultimately though, both alpaca and sheep wools are very sustainable options.

Is wool bad for hot weather? ›

For any situation in which sweat is a possibility, you'll be more comfortable in a summer weight wool, which wicks moisture away from the skin, helping keep you cooler and drier. Not only does wool help keep you cool in summer, but Merino wool in hot humid weather doesn't wilt or wrinkle like cotton and linen.

Is wool flammable? ›

Wool is comparatively flame-retardant. If ignited, it usually has a low burning rate and may self-extinguish.

How much wool is wasted each year? ›

We still can't wrap our heads around the fact that up to 90% of sheep wool is burned or buried in countries across Europe – that's around 200 000 tonnes every year. It's a fact that inspired us to start Woola.

Is wool animal friendly? ›

By definition, vegans do not participate in any form of exploitation of animals for food, clothing, or any other purpose. This makes wool firmly not vegan. When it comes to wool, the hard truth is the wool industry exploits sheep, and there is evidence to show this results in significant harm to the animals.

Is wool cruel to animals? ›

Tragically, the wool industry is just as cruel as the fur trade. Sheep, goats, llamas, alpacas, rabbits, camels, bison, and oxen are among the innocent animals who suffer and die as a result of the wool industry. A pair of socks or a sweater is not worth the immense torture wool-bearing animals are forced to endure.

Is wool OK for skin? ›

Wool can absorb and release twice as much moisture vapour as cotton and 30 times as much as polyester. When worn next to the skin, wool works to buffer the dynamic micro-climate between the fabric and the skin, helping to stabilise the humidity and temperature. It appears that wool acts like a second skin.

Is wool recyclable? ›

Wool is also highly and easily recyclable and the resulting 'new' fiber can be re-used to create luxurious fabrics, thus extending the lifetime of garments, avoiding – or reducing -the use of virgin materials and helping reducing stress on the environment.

Is wool eco-friendly? ›

Wool, while being durable, is also naturally biodegradable. Recent research has shown some synthetic clothing takes hundreds of years to degrade in landfills, while wool, the most recycled fabric, takes only about a year.

Is it wrong to use wool? ›

And since workers are often paid by the volume of wool they shear, they work dangerously fast. The sheep's skin gets cut, tails and ears get gashed, and sheep are abused and beaten. Farmers often use the practice of mulesing, which is unnecessarily cruel.

Why is wool not popular anymore? ›

Tens of thousands of sheep have been burned to death, often fenced-in and unable to escape. When we compare wool to other fibers, both natural and synthetic, inclusion of enteric methane gas emissions means that wool will consistently have the highest GWP (global warming potential) impact.

What are the negative effects of the wool industry? ›

Land clearing & deforestation, grazing, and hoof compaction from hard-hooved animals like sheep contribute to land degradation, including severe forms: soil erosion and desertification.

Is wool fabric good for the environment? ›

It is renewable, and if the supplier follows organic farming practices and both animal welfare and traceability standards are adhered to, it is one of the most sustainable fabric choices you can make. Wool is also biodegradable and recyclable.

What are 2 disadvantages of wool? ›

Cons
  • Some people are highly sensitive to the feeling of fibre on their skin so can find wool too scratchy for them.
  • Wool maintenance – Wool can be very sensitive to heat so can be a little more difficult to wash.
  • Tends to be a little more expensive.
May 25, 2022

How does wool help the animal? ›

Wool is a fiber that forms the protective covering, or fleece, of certain animals. It is most often associated with sheep, but other hairy mammals, such as goats and camels, also produce wool. The wool protects the animal against both heat and cold.

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