{"id":341511,"date":"2025-06-27T16:17:11","date_gmt":"2025-06-27T10:47:11","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=341511"},"modified":"2025-06-27T16:17:11","modified_gmt":"2025-06-27T10:47:11","slug":"enhanced-rock-weathering-erw","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/enhanced-rock-weathering-erw\/","title":{"rendered":"Enhanced Rock Weathering (ERW)"},"content":{"rendered":"<p><strong>News:<\/strong> Tech giants, airlines and fast fashion firms lining up to buy carbon credits from ERW projects to &#8220;offset&#8221; or cancel out their own emissions.<\/p>\n<h2>About Enhanced Rock Weathering (ERW)<\/h2>\n<figure id=\"attachment_341512\" aria-describedby=\"caption-attachment-341512\" style=\"width: 480px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-341512\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/06\/Source-SCI-journals.png?resize=480%2C277&#038;ssl=1\" alt=\"\" width=\"480\" height=\"277\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/06\/Source-SCI-journals.png?resize=300%2C173&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/06\/Source-SCI-journals.png?resize=1024%2C591&amp;ssl=1 1024w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/06\/Source-SCI-journals.png?resize=768%2C443&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/06\/Source-SCI-journals.png?w=1489&amp;ssl=1 1489w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption id=\"caption-attachment-341512\" class=\"wp-caption-text\">Source &#8211; SCI Journals<\/figcaption><\/figure>\n<ul>\n<li>It is an innovative, <strong>nature-based carbon dioxide removal (CDR) technology<\/strong> designed to combat climate change by <strong>accelerating<\/strong> the earth\u2019s <strong>natural rock weathering process<\/strong>.<\/li>\n<li>ERW <strong>speeds<\/strong> the process up by using <strong>quick-weathering rocks<\/strong> like <strong>basalt<\/strong> that are ground finely to increase their surface area.<\/li>\n<li><strong>Aim:<\/strong> It aims to <strong>turbocharge<\/strong> a natural geological process called <strong>weathering<\/strong>.\n<ul>\n<li><strong>Weathering<\/strong> is the <strong>breakdown of rocks by carbonic acid<\/strong>, which forms when carbon dioxide in the air or soil dissolves into water.<\/li>\n<li><strong>Weathering<\/strong> occurs <strong>naturally when rain falls on rocks<\/strong>, and the process can lo<strong>ck away carbon dioxide<\/strong> from the air or soil as <strong>bicarbonate<\/strong>, and eventually <strong>limestone<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Effectiveness of ERW<\/strong><\/span><\/p>\n<ul>\n<li><strong>Debatable:<\/strong> ERW is still a fairly <strong>new technology<\/strong> and there are <strong>questions about how much carbon it can remove.<\/strong><\/li>\n<li><strong>Difficult to measure: Rates<\/strong> depend on variables including <strong>rock type and size<\/strong>, how <strong>wet and hot<\/strong> the climate is, <strong>soil type<\/strong> and <strong>land management<\/strong>.<\/li>\n<li><strong>Miscalculation:<\/strong> The most popular technique <strong>measures &#8220;cations<\/strong>&#8220;, positively charged ions that are released from the rock during weathering.\n<ul>\n<li>If there are <strong>stronger acids than carbonic<\/strong>, then it will react with those, so measurable cations are produced even when <strong>carbon dioxide is not captured<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Benefits<\/strong><\/span><\/p>\n<ul>\n<li>The added rock <strong>increases soil alkalinity<\/strong>, which can boost cro<strong>p growth, soil nutrients and soil formation.<\/strong><\/li>\n<li><strong>Basalt<\/strong> is both naturally abundant and often available as a <strong>byproduct of quarrying<\/strong>, lowering the costs of the process.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: Tech giants, airlines and fast fashion firms lining up to buy carbon credits from ERW projects to &#8220;offset&#8221; or cancel out their own emissions. About Enhanced Rock Weathering (ERW) It is an innovative, nature-based carbon dioxide removal (CDR) technology designed to combat climate change by accelerating the earth\u2019s natural rock weathering process. ERW speeds&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/enhanced-rock-weathering-erw\/\">Continue reading <span class=\"screen-reader-text\">Enhanced Rock Weathering (ERW)<\/span><\/a><\/p>\n","protected":false},"author":10393,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,4182,11209,12039],"tags":[11872],"class_list":["post-341511","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-environment","category-geography-in-news","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/341511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10393"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=341511"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/341511\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=341511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=341511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=341511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}