The Fourth Mission Innovation Ministerial (MI-4) was host to the Net-Zero Compatible Innovations Initiative side event on the development of a 1.5 °C compatible solution framework and avoided emissions assessment. The high-level segment speakers were: • Patrick Child (Deputy Director General, Research and Innovation, European Commission), • Robert Andrén (Head of the Swedish Energy Agency, Sweden), • Dr. Sanjay Bajpai (Ministry of Science & Technology, Government of India), • Max Correa, Solar and Energy Innovation Committee (Chile) • John Loughhead (Chief Scientific Advisor, Department for Business Energy & Industrial Strategy, Government of the United Kingdom) • Dr Ganesh Das (COO, Clean Energy International Incubation Centre (CEIIC) & Head of Collaborations & Smart Grid Lab at Tata Power-DDL).