{"id":382289,"date":"2026-04-16T10:10:10","date_gmt":"2026-04-16T10:10:10","guid":{"rendered":"https:\/\/www.newsbeep.com\/nz\/382289\/"},"modified":"2026-04-16T10:10:10","modified_gmt":"2026-04-16T10:10:10","slug":"what-can-you-actually-put-in-your-yellow-recycling-bin-an-environmental-scientist-explains","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/nz\/382289\/","title":{"rendered":"What can you actually put in your yellow recycling bin? An environmental scientist explains"},"content":{"rendered":"<p>Most of us want to recycle, but it can sometimes be hard to know exactly how.<\/p>\n<p>Do jar lids and bottle caps go in the yellow bin? What kinds of plastic can be recycled? <\/p>\n<p>And given that food residue can mess up the machines used to recycle waste, how clean do things need to be before they get recycled?<\/p>\n<p>Much depends on where you live<\/p>\n<p>The first thing to know is what\u2019s accepted in your yellow-lidded kerbside bin <a href=\"https:\/\/www.dcceew.gov.au\/sites\/default\/files\/documents\/national-waste-and-resource-recovery-report-2024.pdf\" rel=\"nofollow noopener\" target=\"_blank\">depends on where you live<\/a> and what your local material recovery facility can actually recycle.<\/p>\n<p>Online search tools such as <a href=\"https:\/\/recyclingnearyou.com.au\/\" rel=\"nofollow noopener\" target=\"_blank\">Recycling Near You<\/a> and the <a href=\"https:\/\/www.arl.org.au\/\" rel=\"nofollow noopener\" target=\"_blank\">Australasian Recycling Label\u2019s \u201ccheck locally\u201d feature<\/a> let you enter your postcode and look up how to dispose of specific items.<\/p>\n<p>            <a href=\"https:\/\/images.theconversation.com\/files\/729719\/original\/file-20260414-57-f1fn65.png?ixlib=rb-4.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"A screenshot of the Australasian Recycling Label's check locally feature.\" src=\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/04\/file-20260414-57-f1fn65.png\" class=\"native-lazy\" loading=\"lazy\"  \/><\/a><\/p>\n<p>              You can search the Australasian Recycling Label site for what can be recycled in your area.<br \/>\n              <a class=\"source\" href=\"https:\/\/www.arl.org.au\/\" rel=\"nofollow noopener\" target=\"_blank\">Australasian Recycling Label<\/a><\/p>\n<p>When in doubt, check for Australasian Recycling Labels on packaging before you bin it. A \u201cchasing arrows\u201d symbol indicates the item is <a href=\"https:\/\/arl.org.au\/about\" rel=\"nofollow noopener\" target=\"_blank\">accepted in more than 80%<\/a> of kerbside recycling bins. However, not all packaging has these labels. Some carry multiple labels.<\/p>\n<p>            <a href=\"https:\/\/images.theconversation.com\/files\/729727\/original\/file-20260414-63-m4bad9.png?ixlib=rb-4.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"A screenshot of the Australasian recycling Label stickers\" src=\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/04\/file-20260414-63-m4bad9.png\" class=\"native-lazy\" loading=\"lazy\"  \/><\/a><\/p>\n<p>              When in doubt, check for Australasian Recycling Labels on packaging before you bin it.<br \/>\n              <a class=\"source\" href=\"https:\/\/www.arl.org.au\/\" rel=\"nofollow noopener\" target=\"_blank\">The Australasian Recycling Label<\/a>, Author provided (no reuse)<\/p>\n<p>Aluminium<\/p>\n<p>Aluminium is what soft drink cans are made from, and it\u2019s a <a href=\"https:\/\/www.dcceew.gov.au\/sites\/default\/files\/documents\/national-waste-and-resource-recovery-report-2024.pdf\" rel=\"nofollow noopener\" target=\"_blank\">high value metal<\/a>. It\u2019s <a href=\"https:\/\/aluminium.org.au\/wp-content\/uploads\/2024\/11\/241115-AEAS-AAC-Recycling-Report.pdf\" rel=\"nofollow noopener\" target=\"_blank\">worth recycling<\/a>, but size matters.<\/p>\n<p>Aluminium <a href=\"https:\/\/doi.org\/10.1016\/j.mineng.2018.12.025\" rel=\"nofollow noopener\" target=\"_blank\">doesn\u2019t contain iron<\/a>, so it\u2019s not magnetic.<\/p>\n<p>In other words, the magnets used in waste recycling facilities to separate metals from other recyclables won\u2019t pick up aluminium cans or foil.<\/p>\n<p>Instead, aluminium items are sorted using a process known as <a href=\"https:\/\/doi.org\/10.1016\/j.mineng.2018.12.025\" rel=\"nofollow noopener\" target=\"_blank\">eddy current separation<\/a>.<\/p>\n<p>When items travel along a conveyor belt at a sorting facility, they move past a fast-spinning magnetic rotor at the end. This rotor creates a repelling force that flicks the aluminium items off the conveyor belt and into collection bins.<\/p>\n<p>But this <a href=\"https:\/\/doi.org\/10.1016\/j.seppur.2024.127382\" rel=\"nofollow noopener\" target=\"_blank\">force isn\u2019t strong enough<\/a> to recover small items like jar lids and wine bottle caps.<\/p>\n<p>When it comes to recycling metal jar lids and metal or plastic bottle caps, <a href=\"https:\/\/www.dcceew.gov.au\/sites\/default\/files\/documents\/national-waste-and-resource-recovery-report-2024.pdf\" rel=\"nofollow noopener\" target=\"_blank\">every recycling facility has different rules<\/a>.<\/p>\n<p>Some need the lids to be left on their containers. Others require lids larger than 5cm to be removed before placing them in your mixed recycling bin or dropped off at a collection site.<\/p>\n<p>If you\u2019re not sure, ask your local council or search <a href=\"https:\/\/recyclingnearyou.com.au\/\" rel=\"nofollow noopener\" target=\"_blank\">Recycling Near You<\/a> or the <a href=\"https:\/\/www.arl.org.au\/\" rel=\"nofollow noopener\" target=\"_blank\">Australasian Recycling Label<\/a> site.<\/p>\n<p>Plastic<\/p>\n<p>Recycling plastic is great, but only about <a href=\"https:\/\/doi.org\/10.1016\/j.resconrec.2025.108718\" rel=\"nofollow noopener\" target=\"_blank\">46% of collected plastic is processed domestically<\/a>, with a lot sent overseas for processing.<\/p>\n<p>Most plastic still <a href=\"https:\/\/doi.org\/10.1016\/j.resconrec.2025.108718\" rel=\"nofollow noopener\" target=\"_blank\">ends up in landfill<\/a> due to <a href=\"https:\/\/www.dcceew.gov.au\/sites\/default\/files\/documents\/apff-method-report-2023-24.pdf\" rel=\"nofollow noopener\" target=\"_blank\">contamination and low recovery rates<\/a>. <\/p>\n<p>Packaging made from a single type of plastic, such as translucent high-density<br \/>\npolyethylene (HDPE) milk bottles, are <a href=\"https:\/\/doi.org\/10.3390\/recycling7050064\" rel=\"nofollow noopener\" target=\"_blank\">easiest to recycle<\/a> into new products. <\/p>\n<p>But only around <a href=\"https:\/\/doi.org\/10.1016\/j.spc.2023.02.017\" rel=\"nofollow noopener\" target=\"_blank\">40%<\/a> of these get collected for recycling through kerbside bins and dedicated drop-off locations; the rest don\u2019t get collected at all.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.1016\/j.cesys.2024.100185\" rel=\"nofollow noopener\" target=\"_blank\">Plastic caps<\/a> and <a href=\"https:\/\/doi.org\/10.1016\/j.spc.2023.02.017\" rel=\"nofollow noopener\" target=\"_blank\">labels on HDPE bottles<\/a> are often made from a different type of plastic (polypropylene), so they should be removed before recycling.<\/p>\n<p>Rigid plastics, such as drink bottles, are easier to recycle than soft plastics, but their <a href=\"https:\/\/doi.org\/10.1177\/0734242X241310658\" rel=\"nofollow noopener\" target=\"_blank\">quality degrades<\/a> with each recycling cycle.<\/p>\n<p>Most single-use soft plastic packaging <a href=\"https:\/\/doi.org\/10.1007\/s10163-024-01901-1\" rel=\"nofollow noopener\" target=\"_blank\">ends up in landfill<\/a>.<\/p>\n<p><a href=\"https:\/\/www.abc.net.au\/news\/2025-12-30\/soft-plastics-recycling-is-back-in-australia-how-does-it-work-\/105912070\" rel=\"nofollow noopener\" target=\"_blank\">Chemical recycling<\/a> for soft plastics is a relatively new technology in Australia. However, it\u2019s not widely available, is expensive and comes with <a href=\"https:\/\/doi.org\/10.1177\/0734242X241310658\" rel=\"nofollow noopener\" target=\"_blank\">environmental and health concerns<\/a>.<\/p>\n<p>            <a href=\"https:\/\/images.theconversation.com\/files\/729743\/original\/file-20260414-57-pnpgtc.jpg?ixlib=rb-4.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"Two men stare at a giant pile of rubbish destined for landfill.\" src=\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/04\/file-20260414-57-pnpgtc.jpg\" class=\"native-lazy\" loading=\"lazy\"  \/><\/a><\/p>\n<p>              A lot of things you put in your recycling bin end up in landfill anyway.<br \/>\n              <a class=\"source\" href=\"https:\/\/photos.aap.com.au\/search\/20211112001595871046\" rel=\"nofollow noopener\" target=\"_blank\">AAP Image\/Jono Searle<\/a><\/p>\n<p>Contamination<\/p>\n<p>Recycling systems can only work effectively when packaging is clean and free from<br \/>\ncontaminants. <\/p>\n<p><a href=\"https:\/\/www.dcceew.gov.au\/sites\/default\/files\/documents\/national-waste-and-resource-recovery-report-2024.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Food and liquid remnants, labels and small pieces of packaging<\/a> can get tangled in machinery. Even <a href=\"https:\/\/acor.org.au\/wp-content\/uploads\/2023\/05\/hdpe_specs.pdf\" rel=\"nofollow noopener\" target=\"_blank\">small amounts of food residue<\/a> can <a href=\"https:\/\/doi.org\/10.3389\/fpubh.2022.789861\" rel=\"nofollow noopener\" target=\"_blank\">introduce germs<\/a> and <a href=\"https:\/\/doi.org\/10.1007\/s10163-024-02085-4\" rel=\"nofollow noopener\" target=\"_blank\">odours<\/a> into recycling loads. <\/p>\n<p>This is <a href=\"https:\/\/doi.org\/10.1007\/s10163-024-02085-4\" rel=\"nofollow noopener\" target=\"_blank\">difficult and costly to remove<\/a>, and ultimately reduces the quality of recycled materials, especially those intended for food packaging. <\/p>\n<p>Packaging doesn\u2019t need to be squeaky clean, but it should be rinsed and placed in the recycling bin dry.<\/p>\n<p>Labels and seals on packaging are also an issue. Paper labels and water-soluble<br \/>\nglues <a href=\"https:\/\/doi.org\/10.1016\/j.resconrec.2023.107388\" rel=\"nofollow noopener\" target=\"_blank\">generally wash off<\/a> during processing. However, tamper-proof seals \u2013 such as the ring around the base of a soft drink bottle lid \u2013 and plastic-coated labels don\u2019t. These materials are <a href=\"https:\/\/doi.org\/10.1177\/0734242X241310658\" rel=\"nofollow noopener\" target=\"_blank\">hard to remove<\/a> and can contaminate the recycling process.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.1177\/0734242X241310658\" rel=\"nofollow noopener\" target=\"_blank\">Plastic-coated and polyvinyl chloride (PVC) labels<\/a> \u2013 which you sometimes find on, for instance, a punnet of strawberries or milk bottle \u2013 are a challenge. They\u2019re usually made from a different plastic than the container itself, which means they can\u2019t be recycled together. <\/p>\n<p>Removing them before disposal helps ensure a <a href=\"https:\/\/doi.org\/10.1177\/0734242X241310658\" rel=\"nofollow noopener\" target=\"_blank\">cleaner, more recyclable product<\/a>.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.1016\/j.resconrec.2023.107388\" rel=\"nofollow noopener\" target=\"_blank\">Multi-layered packaging<\/a> is another problem. Cardboard-like items such as long life milk cartons and potato chip tubes are made from layers of paper, plastic and sometimes metal foil \u2013 all laminated together. <\/p>\n<p>Since these layers can\u2019t be separated easily or efficiently, the <a href=\"https:\/\/doi.org\/10.1016\/j.resconrec.2023.107388\" rel=\"nofollow noopener\" target=\"_blank\">packaging can\u2019t be recycled<\/a> through most kerbside bins. It usually ends up in landfill.<\/p>\n<p>The bigger picture<\/p>\n<p>Consumers still bear the burden of responsibility on knowing what can and can\u2019t be<br \/>\nrecycled. At the end of the day, <a href=\"https:\/\/doi.org\/10.1016\/j.resconrec.2025.108718\" rel=\"nofollow noopener\" target=\"_blank\">recycling infrastructure is still limited<\/a> and <a href=\"https:\/\/www.dcceew.gov.au\/environment\/protection\/waste\/plastics-and-packaging\/australian-plastic-flows-fates-reporting#toc_3\" rel=\"nofollow noopener\" target=\"_blank\">too much<\/a> is being landfilled. <\/p>\n<p>We must redesign packaging for reuse and to <a href=\"https:\/\/documents.packagingcovenant.org.au\/public-documents\/Action%20Plan%20for%20Problematic%20and%20Unnecessary%20Single-Use%20Plastic%20Packaging\" rel=\"nofollow noopener\" target=\"_blank\">work within the system<\/a> we have.<\/p>\n","protected":false},"excerpt":{"rendered":"Most of us want to recycle, but it can sometimes be hard to know exactly how. Do jar&hellip;\n","protected":false},"author":2,"featured_media":382290,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[273,111,139,69,147],"class_list":{"0":"post-382289","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-environment","8":"tag-environment","9":"tag-new-zealand","10":"tag-newzealand","11":"tag-nz","12":"tag-science"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/382289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/comments?post=382289"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/382289\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media\/382290"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media?parent=382289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/categories?post=382289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/tags?post=382289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}