ICT accounts for 2-2.5% of global greenhouse gas emissions but can help reduce emissions from other sectors that account for 98% of emissions. The MANTICORE-II project aims to combine infrastructure as a service platforms to optimize routing and resource usage based on location, application needs, and network/energy properties with goals of reducing energy usage and following daily and seasonal changes from the sun and moon. HEAnet is investigating using renewable energy sources like tidal, wind, geothermal, and hydroelectric power at its points of presence.