UNDO Removal add-ons let you support more certified carbon removal projects than the KGs included in your subscription allow. Here are our optional add-ons: – 2 KG CO₂ – €1 – 5 KG CO₂ – €2 – 10 KG CO₂ – €3.50. You can activate them in your app or in “My account” (https://wsc.undo.be/). Under “YOUR TARIFF”, click “SHOW ME” to activate the add-ons.