1.0Groupe de travail sur le prélèvement de solidarité mondialehttps://solidaritylevies.org/frlaura89uphttps://solidaritylevies.org/fr/author/laura89up/rich600338<blockquote class="wp-embedded-content" data-secret="QtGXhuepxt"><a href="https://solidaritylevies.org/fr/call-to-proposals-individual-submissions/">Appel à propositions</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://solidaritylevies.org/fr/call-to-proposals-individual-submissions/embed/#?secret=QtGXhuepxt" width="600" height="338" title="“Call to Proposals Submissions” — Global Solidarity Levies Task Force" data-secret="QtGXhuepxt" 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); </script>https://solidaritylevies.org/app/uploads/2026/03/nicole-arango-lang-LMh5IiNjqic-unsplash-scaled.jpg17072560The Global Solidarity Levies Task Force brings together countries from around the world to advance options for international levelies that will raise much needed revenue for the fight against climate change, and to support development and nature.