1.0LHEIhttps://lhei.lv/en/valentinahttps://lhei.lv/en/author/valentina/rich600338<blockquote class="wp-embedded-content" data-secret="P9quDb6BlH"><a href="https://lhei.lv/en/second-newsletter-of-project-trust-alum/">Second newsletter of project TRUST ALUM</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://lhei.lv/en/second-newsletter-of-project-trust-alum/embed/#?secret=P9quDb6BlH" width="600" height="338" title="“Second newsletter of project TRUST ALUM” — LHEI" data-secret="P9quDb6BlH" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://lhei.lv/wp-includes/js/wp-embed.min.js </script> https://lhei.lv/wp-content/uploads/2024/12/TRUSTALUM-zinu-lapa-2.png800640What is the "vicious cycle" of Phosphorus? Why have yet no lakes been cleaned with ALUM method in the Baltic countries? And do you know exactly why Velnezers in Jugla, Riga was chosen as the first ALUM method demonstration site? You will learn about all this and more on the first newsletter of the project