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How Much Do We Really Know About Fashion’s Environmental Cost?

120 students took ViWear’s sustainability quiz. Only two answered all five questions correctly. The average score was 16%.

ViWear sustainability challenge stand at Vrije Universiteit Amsterdam Welcome Week

Sustainability is one of fashion’s most familiar words. We see it on clothing labels, campaign pages and resale platforms, but knowing the language is not necessarily the same as knowing the facts.

During one of ViWear’s Welcome Week events at Vrije Universiteit Amsterdam this August, we asked 120 students to take a five question quiz on fashion and its environmental impact. Only two participants answered every question correctly. Across the group, the average score was just 16 percent, with most students getting either none or one of the questions right.

The result turned a simple campus challenge into a much more interesting conversation. Students who came over expecting a quick quiz often stayed to talk about the answers, and many were surprised by the scale of fashion’s environmental impact. That surprise was perhaps the most revealing result of all.

Clothes are among the most ordinary things in our lives. We buy them, wear them and eventually clear them out, yet much of what happens before and after they enter our wardrobes remains remarkably easy to overlook.

Students taking part in ViWear's sustainability challenge at Welcome Week
Students joined the ViWear sustainability challenge during Welcome Week at Vrije Universiteit Amsterdam.
Understanding what we already consume is a useful place to begin

For ViWear, the challenge also touched on something central to the way we think about fashion. Our work begins with the wardrobe people already have: the clothes they own, the combinations they can create and the decisions they make before adding something new.

A quiz will not make fashion sustainable, and neither will a piece of technology. But understanding what we already consume is a useful place to begin.

Quiz time

The same five questions we asked at VU are below. Give it a go.

  1. Question 01

    Never even used?

    Approximately how many tonnes of textiles are destroyed in Europe each year before ever being used for their intended purpose?

    • A. 50,000 tonnes
    • B. 500,000 tonnes
    • C. 5 million tonnes
    • D. 50 million tonnes
    Reveal answer

    B. 500,000 tonnes

  2. Question 02

    How much do we consume?

    On average, how many kilograms of clothing, footwear and household textiles did one EU resident consume in 2022?

    • A. 7 kg
    • B. 12 kg
    • C. 19 kg
    • D. 31 kg
    Reveal answer

    C. 19 kg

  3. Question 03

    How much textile waste is produced worldwide every year?

    • A. 92,000 tonnes
    • B. 920,000 tonnes
    • C. 9.2 million tonnes
    • D. 92 million tonnes
    Reveal answer

    D. 92 million tonnes

  4. Question 04

    How much water does the textile industry use each year?

    Measured in Olympic swimming pools.

    • A. 86,000 pools
    • B. 860,000 pools
    • C. 8.6 million pools
    • D. 86 million pools
    Reveal answer

    D. 86 million pools

  5. Question 05

    Fashion’s climate impact

    Approximately what share of global greenhouse gas emissions comes from the fashion and textiles sector?

    • A. 0.2 to 0.8%
    • B. 2 to 8%
    • C. 12 to 18%
    • D. 20 to 30%
    Reveal answer

    B. 2 to 8%