{"id":3001,"date":"2026-04-10T19:34:17","date_gmt":"2026-04-10T17:34:17","guid":{"rendered":"https:\/\/nature-o.net\/?page_id=3001"},"modified":"2026-04-10T19:35:29","modified_gmt":"2026-04-10T17:35:29","slug":"tree-co%e2%82%82-absorption-calculator","status":"publish","type":"page","link":"https:\/\/nature-o.net\/?page_id=3001","title":{"rendered":"Tree CO\u2082 Absorption Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-tree-co2-m73r6\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">Tree CO\u2082 Absorption Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Estimate how much CO\u2082 trees can absorb and how many trees are needed to offset your emissions.\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-tree-form-m73r6\" novalidate>\n    <div class=\"eco-tool__grid3\">\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"co2-m73r6\">Your CO\u2082 emissions (kg\/year)<\/label>\n        <input class=\"eco-tool__input\" id=\"co2-m73r6\" type=\"number\" min=\"0\" step=\"10\" value=\"5000\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Rough yearly footprint estimate.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"trees-m73r6\">Number of trees<\/label>\n        <input class=\"eco-tool__input\" id=\"trees-m73r6\" type=\"number\" min=\"0\" step=\"1\" value=\"10\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Trees planted or planned.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"type-m73r6\">Tree type<\/label>\n        <select class=\"eco-tool__input\" id=\"type-m73r6\">\n          <option value=\"young\">Young trees<\/option>\n          <option value=\"mixed\" selected>Mixed forest<\/option>\n          <option value=\"mature\">Mature trees<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Older trees absorb more CO\u2082.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"climate-m73r6\">Climate<\/label>\n        <select class=\"eco-tool__input\" id=\"climate-m73r6\">\n          <option value=\"cold\">Cold<\/option>\n          <option value=\"temperate\" selected>Temperate<\/option>\n          <option value=\"tropical\">Tropical<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Warmer climates increase growth rate.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"years-m73r6\">Years growing<\/label>\n        <input class=\"eco-tool__input\" id=\"years-m73r6\" type=\"number\" min=\"1\" step=\"1\" value=\"10\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Time horizon for absorption.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"survival-m73r6\">Survival rate<\/label>\n        <select class=\"eco-tool__input\" id=\"survival-m73r6\">\n          <option value=\"0.6\">Low<\/option>\n          <option value=\"0.8\" selected>Medium<\/option>\n          <option value=\"0.95\">High<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Not all planted trees survive.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__actions\">\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn\" id=\"calc-m73r6\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"reset-m73r6\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"error-m73r6\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"result-m73r6\" hidden>\n    <h3 class=\"eco-tool__subtitle\">Result<\/h3>\n\n    <div class=\"eco-tool__cards\">\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">CO\u2082 absorbed<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"absorbed-m73r6\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"offset-m73r6\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Trees needed<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"needed-m73r6\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"tip-m73r6\"><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n<style>\n.eco-tool{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:16px;}\n.eco-tool__grid3{display:grid;gap:16px;}\n@media(min-width:860px){.eco-tool__grid3{grid-template-columns:1fr 1fr 1fr;}}\n.eco-tool__field{display:flex;flex-direction:column;gap:6px;}\n.eco-tool__input{height:44px;padding:0 12px;border:1px solid rgba(0,0,0,.2);border-radius:10px;}\n.eco-tool__hint{font-size:.9em;opacity:.7;min-height:38px;}\n.eco-tool__actions{display:flex;gap:10px;margin-top:16px;}\n.eco-tool__btn{padding:10px 22px}\n.eco-tool__btn--ghost{background:transparent!important;border:1px solid rgba(0,0,0,.2)!important}\n.eco-tool__btn--ghost:hover,.eco-tool__btn--ghost:focus{background:rgba(0,0,0,.06)!important;border-color:rgba(0,0,0,.35)!important}\n.eco-tool__cards{display:grid;gap:10px;}\n@media(min-width:860px){.eco-tool__cards{grid-template-columns:1fr 1fr;}}\n.eco-tool__card{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:12px;}\n.eco-tool__metric-value{font-size:1.6em;font-weight:800;}\n<\/style>\n\n<script>\n(function(){\nconst S=\"m73r6\";\nconst el=id=>document.getElementById(id+\"-\"+S);\n\nconst TREE={\n young:10,\n mixed:22,\n mature:30\n};\n\nconst CLIMATE={\n cold:0.7,\n temperate:1,\n tropical:1.3\n};\n\nfunction calc(){\n let co2=Number(el(\"co2\").value);\n let trees=Number(el(\"trees\").value);\n let type=el(\"type\").value;\n let climate=el(\"climate\").value;\n let years=Number(el(\"years\").value);\n let survival=Number(el(\"survival\").value);\n\n if(co2<=0)return;\n\n let absorbPerTree=TREE[type]*CLIMATE[climate];\n let total=trees*absorbPerTree*years*survival;\n\n let percent=total\/co2*100;\n\n let needed=Math.ceil(co2\/(absorbPerTree*years*survival));\n\n el(\"absorbed\").textContent=Math.round(total)+\" kg CO\u2082\";\n el(\"offset\").textContent=Math.round(percent)+\"% of your emissions\";\n\n el(\"needed\").textContent=needed+\" trees\";\n\n el(\"tip\").textContent=\n percent>100?\"You could fully offset emissions\":\n percent>50?\"Significant offset possible\":\n \"More trees needed for full offset\";\n\n el(\"result\").hidden=false;\n}\n\nfunction reset(){\n el(\"result\").hidden=true;\n}\n\nel(\"calc\").onclick=calc;\nel(\"reset\").onclick=reset;\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Tree CO\u2082 Absorption Calculator Estimate how much CO\u2082 trees can absorb and how many trees are needed to offset your emissions. Your CO\u2082 emissions (kg\/year) Rough yearly footprint estimate. Number&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2432,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"_links":{"self":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/3001"}],"collection":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3001"}],"version-history":[{"count":2,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/3001\/revisions"}],"predecessor-version":[{"id":3003,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/3001\/revisions\/3003"}],"up":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/2432"}],"wp:attachment":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}