{"version":"1.0","provider_name":"ECOticias.com","provider_url":"https:\/\/www.ecoticias.com\/en","author_name":"ECONEWS","author_url":"https:\/\/www.ecoticias.com\/en\/author\/econews\/","title":"South Korea planted more than 10 billion trees after the Korean War, and by 2020 its forests held 29 times more wood per hectare than in 1953, but the real secret was checking which seedlings survived","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Uz69NwSVDe\"><a href=\"https:\/\/www.ecoticias.com\/en\/south-korea-10-billion-trees-forests\/36892\/\">South Korea planted more than 10 billion trees after the Korean War, and by 2020 its forests held 29 times more wood per hectare than in 1953, but the real secret was checking which seedlings survived<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ecoticias.com\/en\/south-korea-10-billion-trees-forests\/36892\/embed\/#?secret=Uz69NwSVDe\" width=\"600\" height=\"338\" title=\"&#8220;South Korea planted more than 10 billion trees after the Korean War, and by 2020 its forests held 29 times more wood per hectare than in 1953, but the real secret was checking which seedlings survived&#8221; &#8212; ECOticias.com\" data-secret=\"Uz69NwSVDe\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.ecoticias.com\/en\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.ecoticias.com\/en\/wp-content\/uploads\/2026\/09\/south-korea-reforestation-10-billion-trees-768x432.jpg","thumbnail_width":600,"thumbnail_height":338}