GEM^® is a proud sponsor of The Association for the Advancement of Sustainability in Higher Education (AASHE), which is an organization that brings together sustainability experts in higher education from around the world. AASHE supports higher-learning institutions in reaching their sustainability goals.GEM^® is a proud sponsor of The Association for the Advancement of Sustainability in Higher Education (AASHE), which is an organization that brings together sustainability experts in higher education from around the world. AASHE supports higher-learning institutions in reaching their sustainability goals.