This workshop intends to stimulate discussion about these new frontiers of sustainable networking. The workshop does not aim at covering the very vast range of applications of ML in networking, or IoT technologies, but focuses on tools, technologies, paradigms and solutions that target network sustainability. These include smart resource allocation over multi-dimensional decision spaces, the prediction of traffic, channel conditions, energy that can be harvested from the environment, energy savings can be enabled on the different system and operation levels.