The Energy Efficient High Performance Computing Working Group (EEHPC WG) is a broad community effort focused on sustainably supporting science through committed community action. It has 800+ members worldwide, which include 50% sites, 30% industry, and 20% academia. With the help of 15+ teams addressing various opportunities for improving energy efficiency, the EEHPC WG facilitates engagement of the community in sustainable large-scale science. They also regularly organize workshops and BoFs at major HPC conferences. More details about the EEHPC WG can be found at: https://eehpcwg.llnl.gov/.