This report contains a summary of the information received from organizations, bodies, networks and experts via the submission portal in 2021 on the technical assistance they provided to developing countries under the Santiago network for averting, minimizing and addressing loss and damage associated with the adverse effects of climate change, which was established as part of the Warsaw International Mechanism for Loss and Damage associated with Climate Change Impacts. The submissions showcase technical assistance in the areas of risk analysis and assessment; early warning systems; risk insurance facilities, climate risk pooling and other insurance solutions; and ecosystem-based adaptation and disaster risk reduction.