The five rappen cost in 2016 saw the number of plastic bags being used, and then thrown away, fall by 84% in the first year, according to official figures.
Since then, consumers have continued to snub plastic bags at the checkout, reports the Tages Anzeiger newspaper.
Consumers either take their own bags shopping or buy environmentally-friendly cellulose versions.
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Why don’t the Swiss recycle more plastic?
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For 30 days, swissinfo.ch journalist Susan Misicka saved all of her plastic garbage, but found that not even half of it could be recycled.
Most plastic gets thrown away and is burned, according to the NGO Ocean Care.
“People don’t like it when they are forbidden from doing something,” University of St Gallen economics professor Johanna Gollnhofer told the Tages Anzeiger.
“It’s not enough to tell people that something is bad. You have to break their habits, or at least get them to question their consumption habits.”
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How much of a problem is single-use plastic?
In the EU, many everyday single-use plastic items are banned. Should the Swiss adopt a similar law?
Switzerland to introduce flight passenger database
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Switzerland plans to introduce a flight passenger database to collect and process personal data in a bid to combat terrorism and serious crime.
Government plans to invest over CHF16bn in Swiss rail network
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The federal government intends to invest CHF16.4 billion ($18.1 billion) in railway infrastructure between 2025 and 2028, CHF2 billion more than for the current period.
Swiss to vote on pension reform and biodiversity in September
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Swiss citizens will vote on occupational pension schemes and a biodiversity initiative on September 22, the Federal Council announced on Wednesday.
Ukraine peace talks: 50 countries have confirmed participation
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To date, 50 countries out 160 invited delegations have confirmed they will attend the Ukraine peace conference, held in central Switzerland in mid-June, according to Swiss public radio, RTS.
Federer-backed On boosts forecast after sneaker demand rises
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Swiss footwear company On Holding AG posted strong first-quarter revenue, boosted by demand for its running shoes and new line of training apparel.
Michael Schumacher’s watches fetch CHF4 million at Swiss auction
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Watches belonging to Formula 1 great Michael Schumacher sold for around CHF4 million ($4.41 million) at auction house Christie's in Geneva on Tuesday.
Macron will attend Swiss summit on Ukraine, says Zelensky
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French President Emmanuel Macron will attend the peace conference on Ukraine at the Swiss Bürgenstock resort next month, according to Volodymyr Zelensky.
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