{"id":551665,"date":"2026-07-15T22:09:16","date_gmt":"2026-07-15T22:09:16","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/551665\/"},"modified":"2026-07-15T22:09:16","modified_gmt":"2026-07-15T22:09:16","slug":"water-pollution-has-long-been-a-threat-to-the-great-barrier-reef-plans-to-fix-it-arent-up-to-the-task","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/551665\/","title":{"rendered":"Water pollution has long been a threat to the Great Barrier Reef \u2013 plans to fix it aren\u2019t up to the task"},"content":{"rendered":"<p>When you think about threats to the Great Barrier Reef, coral bleaching due to climate change would likely be first. <\/p>\n<p>But the world\u2019s largest reef system faces many threats. One surprisingly large threat is poor water quality. When sediment is washed off farms, cities and bushland into rivers, it can be transported kilometres offshore. If there\u2019s too much, it can smother corals and seagrass meadows. Fertiliser and pesticide residue can make things worse.  <\/p>\n<p>Unlike the global problem of climate change, water quality is a threat Australia can directly address. The issue has been repeatedly flagged by UNESCO, the United Nations body responsible for World Heritage areas such as the reef. In its latest <a href=\"https:\/\/whc.unesco.org\/en\/list\/154\/documents\" rel=\"nofollow noopener\" target=\"_blank\">draft decision<\/a> \u2013 the fourth since 2023 \u2013 water quality remains a major issue, alongside climate change. <\/p>\n<p>The draft decision notes \u201cwith utmost concern, the continuing negative impacts on hard coral cover across the Reef\u201d and asks the Australian government to report on the damage done by coral bleaching in 2024\u201325 as well as poor <a href=\"https:\/\/www.aims.gov.au\/research-topics\/environmental-issues\/water-quality\" rel=\"nofollow noopener\" target=\"_blank\">water quality<\/a>, <a href=\"https:\/\/www.theguardian.com\/environment\/2020\/sep\/04\/unsustainable-fishing-worsens-threats-to-great-barrier-reef\" rel=\"nofollow noopener\" target=\"_blank\">unsustainable fishing practices<\/a> and poorly managed <a href=\"https:\/\/www.stateoftheenvironment.detsi.qld.gov.au\/great-barrier-reef\/indicators\/land-based-runoff-and-the-great-barrier-reef\" rel=\"nofollow noopener\" target=\"_blank\">uses of coastal land<\/a>. The draft decision also requests an assessment of the impacts caused by dumping sediments from dredging in coastal waters.   <\/p>\n<p>In April, the Queensland and federal governments released a <a href=\"https:\/\/www.reefplan.qld.gov.au\/water-quality-and-the-reef\/the-strategy\" rel=\"nofollow noopener\" target=\"_blank\">revised strategy<\/a> to improve water quality. Previous plans have talked the talk but <a href=\"https:\/\/theconversation.com\/the-new-great-barrier-reef-pollution-plan-is-better-but-still-not-good-enough-83233\" rel=\"nofollow noopener\" target=\"_blank\">failed to deliver<\/a>.<\/p>\n<p>The new strategy is also likely to disappoint. It relies on broad vision statements without clear responsibilities, an adequate budget or realistic actions.  <\/p>\n<p>Water pollution is the biggest local threat<\/p>\n<p>For years, one of the biggest local threats to the reef\u2019s ecosystems has been <a href=\"https:\/\/www.stateoftheenvironment.detsi.qld.gov.au\/great-barrier-reef\/indicators\/land-based-runoff-and-the-great-barrier-reef\" rel=\"nofollow noopener\" target=\"_blank\">land-based runoff<\/a>. <\/p>\n<p>Shallow seagrass meadows act as nurseries for fish and food for turtles and dugong. Like all plants, seagrass requires light to survive. If too much sediment blocks light or settles on a plant\u2019s leaves, it <a href=\"https:\/\/doi.org\/10.1016\/j.marpol.2011.03.003\" rel=\"nofollow noopener\" target=\"_blank\">can die<\/a>. This is often worst after storms or cyclones, which churn up seas and mix sediment back into the water. Coral can be similarly hard-hit, especially if the sediments are laced with pesticides and other contaminants. <\/p>\n<p>            <a role=\"button\" aria-label=\"Zoomable image\" aria-haspopup=\"dialog\" href=\"https:\/\/images.theconversation.com\/files\/746837\/original\/file-20260709-57-2w4m7d.jpg?ixlib=rb-4.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\"><img decoding=\"async\" alt=\"two researchers crouching down on seagrass meadow at low tide.\" src=\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/07\/file-20260709-57-2w4m7d.jpg\" class=\"native-lazy\" loading=\"lazy\"  \/><\/a><\/p>\n<p>              Researchers check the condition of seagrass at Green Island. Despite being located well offshore, these waters can be affected by floodwater plumes carrying sediment and pollutants.<br \/>\n              Rob Coles, Author provided (no reuse)<\/p>\n<p>To improve water quality, farmers need to reduce sediment washing into rivers and reduce fertiliser and pesticide use. But it\u2019s not just farms \u2013 runoff from industries, cities and towns also contributes. <\/p>\n<p>Progress has been made to reduce fertiliser overuse. But Australia has repeatedly missed its own targets to cut water pollutants such as <a href=\"https:\/\/reportcard.reefplan.qld.gov.au\/home?report=target&amp;year=63feba8962a7eebd85fb06ac&amp;measure=FS&amp;area=Bu\" rel=\"nofollow noopener\" target=\"_blank\">sediments<\/a>, <a href=\"https:\/\/reportcard.reefplan.qld.gov.au\/home?report=target&amp;year=63feba8962a7eebd85fb06ac&amp;measure=PEST&amp;area=FZ\" rel=\"nofollow noopener\" target=\"_blank\">pesticides<\/a> and <a href=\"https:\/\/reportcard.reefplan.qld.gov.au\/home?report=target&amp;year=63feba8962a7eebd85fb06ac&amp;measure=DIN&amp;area=BM-Burn\" rel=\"nofollow noopener\" target=\"_blank\">dissolved inorganic nitrogen<\/a> from fertilisers.<\/p>\n<p>The federal and state governments have remained largely silent about these missed targets in favour of focusing on water quality successes, community involvement and <a href=\"https:\/\/statements.qld.gov.au\/statements\/105301\" rel=\"nofollow noopener\" target=\"_blank\">investment<\/a>.<\/p>\n<p>Reasons for concerns about the new strategy<\/p>\n<p>The <a href=\"https:\/\/www.reefplan.qld.gov.au\/water-quality-and-the-reef\/the-strategy\" rel=\"nofollow noopener\" target=\"_blank\">recently released<\/a> water quality strategy was delayed, with the previous plan expiring in 2022. Drawing on the latest <a href=\"https:\/\/reefwqconsensus.com.au\/\" rel=\"nofollow noopener\" target=\"_blank\">Scientific Consensus Statement<\/a> and two decades of monitoring, the plan proposes solutions such as better land management, rehabilitating mangroves, seagrass and wetlands and <a href=\"https:\/\/www.reefplan.qld.gov.au\/water-quality-and-the-reef\/the-strategy\/targets-indicators\" rel=\"nofollow noopener\" target=\"_blank\">updated targets<\/a>. <\/p>\n<p>Despite that, the plan is unlikely to achieve what it\u2019s meant to. <\/p>\n<p>Implementation. It\u2019s not clear how the updated strategy will  become reality. Previous strategies have suffered due to insufficient funding or <a href=\"https:\/\/www.qld.gov.au\/__data\/assets\/pdf_file\/0027\/109539\/gbrwst-finalreport-2016.pdf\" rel=\"nofollow noopener\" target=\"_blank\">limited success<\/a>.<\/p>\n<p>Funding is uncertain. We estimate less than 25% of the funds necessary to meet the water quality targets have been invested by governments since 2003. The 2026 strategy and revised targets do not come with costings. <\/p>\n<p>Lack of coordination. Too often, aspirations set by one government department clash with another. When land is cleared for farming, the farm industry can grow. But cleared land leads to more sediment washing into waterways. Between 2018 and 2022, more than 680,000 hectares of land <a href=\"https:\/\/www.marineconservation.org.au\/tree-clearing-gbr-catchments-report\/\" rel=\"nofollow noopener\" target=\"_blank\">were cleared<\/a>  across the reef\u2019s 35 <a href=\"https:\/\/www.qld.gov.au\/__data\/assets\/pdf_file\/0019\/105247\/gbr-catchment-river-basins-map.pdf\" rel=\"nofollow noopener\" target=\"_blank\">river catchments<\/a>. Of this, almost 90% was for livestock grazing. Last year\u2019s <a href=\"https:\/\/theconversation.com\/long-sought-environmental-law-reform-is-finally-here-but-will-the-compromise-deal-actually-protect-nature-270775\" rel=\"nofollow noopener\" target=\"_blank\">federal environment law reforms<\/a> were meant to protect the trees and shrubs growing along rivers but much work is still required. <\/p>\n<p>There are other reasons to be concerned. To date, much of the funding from the Queensland government has gone to voluntary programs to improve farming practices \u2013 despite <a href=\"https:\/\/www.marineconservation.org.au\/wp-content\/uploads\/2025\/05\/AMCS_water-pollution-report_web-single.pdf\" rel=\"nofollow noopener\" target=\"_blank\">limited evidence<\/a> these programs represent the best approach to improve water quality. <\/p>\n<p>Inspections of sugarcane and banana farms <a href=\"https:\/\/www.qld.gov.au\/environment\/agriculture\/sustainable-farming\/reef\/reef-regulations\/compliance\/dashboard\" rel=\"nofollow noopener\" target=\"_blank\">show<\/a> almost 50% aren\u2019t compliant with regulations meant to protect the reef.<\/p>\n<p>            <a role=\"button\" aria-label=\"Zoomable image\" aria-haspopup=\"dialog\" href=\"https:\/\/images.theconversation.com\/files\/747260\/original\/file-20260711-68-ovjzvp.jpg?ixlib=rb-4.1.0&amp;rect=1%2C0%2C1376%2C774&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\"><img decoding=\"async\" alt=\"cleared land next to intact shrubby forest.\" src=\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/07\/file-20260711-68-ovjzvp.jpg\" class=\"native-lazy\" loading=\"lazy\"  \/><\/a><\/p>\n<p>              Substantial land clearing across the Great Barrier Reef catchments has taken place in recent years.<br \/>\n              <a class=\"source\" href=\"https:\/\/www.marineconservation.org.au\/tree-clearing-gbr-catchments-report\/\" rel=\"nofollow noopener\" target=\"_blank\">Australian Marine Conservation Society<\/a>, <a class=\"license\" href=\"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" rel=\"nofollow noopener\" target=\"_blank\">CC BY-NC-ND<\/a><\/p>\n<p>What future?<\/p>\n<p>As climate change worsens and water quality problems persist, authorities are increasingly worried about the future of the Great Barrier Reef. <\/p>\n<p>Last year, the International Union for Conservation of Nature rated its condition as \u201c<a href=\"https:\/\/portals.iucn.org\/library\/sites\/library\/files\/documents\/2025-042-En.pdf\" rel=\"nofollow noopener\" target=\"_blank\">critical<\/a>\u201d. The 2024 <a href=\"https:\/\/hdl.handle.net\/11017\/4069\" rel=\"nofollow noopener\" target=\"_blank\">Outlook Report<\/a> from the Great Barrier Reef Marine Park Authority describes the long-term outlook as very poor, with water quality efforts only \u201cpartially effective\u201d. <\/p>\n<p>            <a role=\"button\" aria-label=\"Zoomable image\" aria-haspopup=\"dialog\" href=\"https:\/\/images.theconversation.com\/files\/747931\/original\/file-20260715-101-uif3pt.jpg?ixlib=rb-4.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\"><img decoding=\"async\" alt=\"satellite image showing plume of floodwater going out into ocean.\" src=\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/07\/file-20260715-101-uif3pt.jpg\" class=\"native-lazy\" loading=\"lazy\"  \/><\/a><\/p>\n<p>              In February 2026, a massive sediment plume flowed from the flooded Burdekin River out to the Great Barrier Reef.<br \/>\n              Copernicus Sentinel, <a class=\"license\" href=\"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" rel=\"nofollow noopener\" target=\"_blank\">CC BY-NC-ND<\/a><\/p>\n<p>The reef faces a dire future. Efforts are being made, but there are reasons for onging concerns after years of missed targets, incomplete compliance and inadequate funding. <\/p>\n<p>The latest water quality plan will only work if the federal and state governments invest more in evidence-based solutions, such as better management of river catchments, continuous improvements in farming practices, stronger actions to protect riverside vegetation, improving stormwater and sewage management and reducing deforestation, earthworks and marine debris.<\/p>\n<p>Later this month, UNESCO\u2019s World Heritage Committee will consider the draft decision. Then the ball will be back in Australia\u2019s court. It remains to be seen whether authorities will properly address major threats such as poor water quality.<\/p>\n<p>The authors would like to acknowledge the input of environmental scientist Dr Maximilian Hirschfeld.<\/p>\n","protected":false},"excerpt":{"rendered":"When you think about threats to the Great Barrier Reef, coral bleaching due to climate change would likely&hellip;\n","protected":false},"author":2,"featured_media":551666,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[246,61,60,82],"class_list":["post-551665","post","type-post","status-publish","format-standard","has-post-thumbnail","category-environment","tag-environment","tag-ie","tag-ireland","tag-science"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/551665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=551665"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/551665\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/551666"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=551665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=551665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=551665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}