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Synthetic fibers could be a wonderful thing. Their production requires far less water than cotton and they don’t require toxic pesticides to grow. But does that make them environmentally friendly? Sadly not.
The expansion of fast fashion wouldn’t be possible without polyester. Relatively cheap and easily available, polyester is now used in about 60% of our clothes. But, if we take into account the fossil fuels used in its production, CO2 emissions for polyester clothing are nearly three times higher than for cotton! Our reliance on polyester is one of the reasons why the fashion industry is one of the most polluting industries in the world; both in terms of its emissions-heavy production and the non-biodegradable waste it leaves behind.
Fast Fashion infographic © Greenpeace
One piece of clothing can release 700,000 fibers in a single wash
Once our clothes reach a washing machine, the synthetic fabrics release tiny strands: so-called microfibers. These are essentially microscopic pieces of plastic, just like the microbeads you find in cosmetics.
Every time you run your washing machine, hundreds of thousands of microfibers are flushed down the drain. Many reach beaches and oceans where they can remain for hundreds of years.
Swallowed by fish and other sealife, microplastic travels up the food chain, where they end up on our plates.
30% of ocean plastic pollution could come from microplastics
According to a new IUCN report, microplastics could be causing even more of a problem than we thought. Between 15% to 31% of marine plastic pollution could be from tiny particles released by household and industrial products, rather than larger plastic items that degrade once they reach the sea.
The IUCN calculates that 35% of this microplastic pollution comes from washing synthetic textiles. Europe and Central Asia alone dump the equivalent of 54 plastic bags worth of microplastics per person per week into the oceans.
So what can we do?
It’s unrealistic to think that we can get rid of synthetic fibers altogether. Their use is too widespread and the sheer volume of clothing that we produce simply can’t be manufactured using only cotton and other natural fibers. And while the manufacturing industry is developing solutions; like more efficient filters for washing machines, they don’t yet tackle the problem.
We need to radically rethink the way we manufacture and use what we wear. Clothes should be produced without polluting the environment. They should be designed with durability in mind, so that they can be recycled only after many years of use. As consumers we have a big part to play in preventing microfibers from polluting the oceans, simply by buying less. If we reduce consumption, we reduce waste. It starts with being more conscious of the issue, and the rest should be simple.
Less is more
Rethinking our buying patterns is possible. We already shop too much and wear our clothes too little. A 2015 survey by Greenpeace Germany revealed that about 40% of our clothes are rarely or never worn [in German]. We can change that. We can buy secondhand or vintage, make use of clothing exchanges online and within local communities, or up-cycle our existing clothes. Clothing doesn’t have to be brand-new to be fashionable.
Dr. Kirsten Brodde is the Detox my Fashion Global Project Lead at Greenpeace Germany.
For additional information, check out our microfibers explainer video: