{"id":8024,"date":"2025-05-20T17:21:10","date_gmt":"2025-05-20T15:21:10","guid":{"rendered":"https:\/\/www.naturalstoneisbetter.com\/125-kg-co2-eq-mq-pna-realizza-la-prima-lca-internazionale-sulla-pietra-naturale\/"},"modified":"2025-05-21T10:41:00","modified_gmt":"2025-05-21T08:41:00","slug":"12-5-kg-co%e2%82%82-eq-m%c2%b2-the-authentic-natural-stone-business-network-delivers-the-first-international-lca-on-natural-stone","status":"publish","type":"post","link":"https:\/\/www.naturalstoneisbetter.com\/en\/12-5-kg-co%e2%82%82-eq-m%c2%b2-the-authentic-natural-stone-business-network-delivers-the-first-international-lca-on-natural-stone\/","title":{"rendered":"12.5 kg CO\u2082 eq\/m\u00b2 \u2013 The Authentic Natural Stone Business Network delivers the first international LCA on natural stone"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-margin-top:-15px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:40px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-margin-top:25px;\"><p class=\"s2\"><span class=\"s4\">PNA -Rete di Imprese Pietra Naturale Autentica ha realizzato uno studio internazionale di Life <\/span><span class=\"s4\">Cycle<\/span> <span class=\"s4\">Assessment<\/span><span class=\"s4\"> (LCA) pi\u00f9 ampio in termini di materiali in ingresso coinvolti, rispetto a quello gi\u00e0 effettuato nel 2022 per quantificare gli impatti ambientali delle produzioni della filiera lapidea italiana. Rispetto alla precedente LCA, sono stati inclusi anche materie prime provenienti dall\u2019estero: 20 tipologie di materiali diversi e di diversa provenienza geografica nel mondo<\/span><span class=\"s4\">, .<\/span><span class=\"s4\">L\u2019obiettivo di una ulteriore e pi\u00f9 approfondita analisi LCA di processo, realizzata su un ampio set di dati raccolti nell\u2019anno 2023, \u00e8 quello di includere, nella valutazione, anche le linee produttive che lavorano materie prime internazionali, al fine di confrontare gli impatti sul cambiamento climatico di entrambe le tipologie. I dati raccolti per ciascuna fase, estrazione- taglio- finitura, hanno compreso: consumi di energia e acqua, quantit\u00e0 di materie prime e materiali usati, sistemi di trasporto e distanze, produzione di scarti (tipo, quantit\u00e0 e destinazioni), emissioni in aria, scarichi reflui e sul suolo. Sono stati poi \u201cpesati\u201d i valori ottenuti sui quantitativi prodotti dalle aziende che hanno partecipato al progetto, arrivando a determinare dati ancora pi\u00f9 accurati di <\/span><a name=\"_Hlk198647035\"><\/a><span class=\"s4\">impatto complessivo per una singola lastra, di 1 mq e spessore 2 cm, che vanno da un minimo di 5,1 kg CO2 <\/span><span class=\"s4\">eq<\/span><span class=\"s4\">\/mq ad un massimo di 36,7 kg CO2 <\/span><span class=\"s4\">eq<\/span><span class=\"s4\">\/mq. Con un valore medio di impatto di <\/span><a name=\"_Hlk184740934\"><\/a><span class=\"s4\">12,5 kg CO2 <\/span><span class=\"s4\">eq<\/span><span class=\"s4\">\/mq<\/span><span class=\"s4\">. <\/span><span class=\"s4\">Tale variabilit\u00e0 \u00e8 fisiologica, non solo per il fatto che lo studio include materiali <\/span><\/p>\n<\/p>\n<p class=\"s2\"><span class=\"s4\">estratti sia in Italia sia all\u2019estero, ma anche per la natura stessa del materiale lapideo, i cui i processi di estrazione e lavorazione (e i relativi consumi di energia e materiali) variano a seconda delle caratteristiche meccaniche della pietra, cos\u00ec come il rendimento.<\/span><\/p>\n<\/p>\n<p class=\"s2\"><span class=\"s4\">La media ponderata degli impatti sul cambiamento climatico per i soli materiali aventi tutta la filiera in Italia risulta di 8,6 kg CO2<\/span> <span class=\"s4\">eq<\/span><span class=\"s4\">\/m2, mentre la media dei soli materiali con estrazione all\u2019estero e trasformazione in Italia risulta di 25,3 kg CO2<\/span> <span class=\"s4\">eq<\/span><span class=\"s4\">\/m2. A supporto di questi risultati,<\/span><span class=\"s4\">l\u2019analisi di contributo mostra che il trasporto ha un impatto significativo per i materiali estratti all\u2019estero.<\/span><\/p>\n<p>\n<\/div><div class=\"fusion-text fusion-text-2\" style=\"--awb-font-size:20px;--awb-line-height:1.2;--awb-margin-top:45px;--awb-text-font-family:&quot;Montserrat&quot;;--awb-text-font-style:italic;--awb-text-font-weight:700;\"><p class=\"s3\"><span class=\"s7\">Focus intervista<br \/>\n<\/span>Flavio Marabelli, Presidente Onorario Confindustria Marmomacchine<\/p>\n<p>\n<\/div><div class=\"fusion-text fusion-text-3 fusion-text-no-margin\" style=\"--awb-margin-top:15px;--awb-margin-bottom:13px;\"><p class=\"s3\"><span style=\"color: #808080;\"><em><span class=\"s8\">PNA con la prima LCA internazionale sulla pietra naturale conferma dell\u2019importanza del percorso di sostenibilit\u00e0 per aumentare la competitivit\u00e0 delle sue aziende. Perch\u00e9 \u00e8 importante l&#8217;allargamento dell&#8217;Analisi LCA ai materiali provenienti da tutto il mondo?<\/span><\/em><\/span><\/p>\n<p>\n<\/div><div class=\"fusion-text fusion-text-4\"><p>Come Confindustria Marmomacchine abbiamo fortemente voluto la creazione della rete di imprese PNA con lo scopo di promuovere la pietra naturale anche attraverso la sostenibilit\u00e0. Per farlo dovevamo misurare e certificare le sue caratteristiche. Abbiamo formato un gruppo di lavoro molto autorevole e realizzato quello che non era mai stato fatto prima: analizzare la sostenibilit\u00e0 dei nostri prodotti attraverso una LCA Italia lo scorso anno e oggi la LCA internazionale che ci prepara alla prima certificazione EPD nazionale e globale.<\/p>\n<p>Questo percorso \u00e8 importante e necessario perch\u00e9 il fattore sostenibilit\u00e0 \u00e8 ormai un elemento tecnico imprescindibile del nostro mercato con evidenti ricadute commerciali. La domanda di sostenibilit\u00e0 viene richiesta infatti in qualsiasi contesto progettuale e realizzativo. Architetti, prescrittori e decision maker scelgono i materiali da usare anche in base al loro impatto ambientale e le minori emissioni di CO2.<\/p>\n<p>Siamo alternativi ad altri materiali naturali e artificiali come il legno e la ceramica, e per farci preferire dobbiamo essere competitivi anche per le caratteristiche green dei nostri prodotti. Avevamo la sensazione di essere performanti. Lo studio che abbiamo fatto ci ha permesso di analizzare attraverso la lastra tutte le fasi di lavorazione per vedere dove siamo effettivamente pi\u00f9 sostenibili rispetto ai materiali alternativi. Lo siamo perch\u00e9 risparmiamo acqua ed energia, perch\u00e9 sappiamo come preservare la materia prima e come riutilizzarla, perch\u00e9 investiamo nell\u2019aggiornamento continuo della tecnologia e dell\u2019innovazione di processo. Avere un riferimento settoriale mondiale ci consente oggi di sapere cosa fare per continuare a migliorare.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":7,"featured_media":8026,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[],"class_list":["post-8024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sustainability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Authentic Natural Stone | 12.5 kg CO\u2082 eq\/m\u00b2 \u2013 The Authentic Natural Stone Business Network delivers the first international LCA on natural stone<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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