Climpact is a flagship initiative on climate change to coordinate a Pan-Hellenic network of institutions responsible for the integration, harmonization, and optimization of existing climate services, early warning systems and measurements from relevant national infrastructures in Greece. The initiative brings together a National Network of 11 scientific organizations to study and analyze at scale scientific indicators and measures related to Climate Change, aiming at generating innovative scientific tools, methods, and technology to mitigate the results of the Climate Change.