In the fight to save energy and combat emissions, every little bit helps: even the lowly, mass\u002Dproduced clay brick. Over nine billion bricks are churned out annually, each at great cost to the environment (making cement for concrete bricks emits
Education - GRHC WEBSITE - Since 2003, Green Roofs for Healthy Cities (GRHC) has offered comprehensive, multi-disciplinary courses in support of the development of the green roof and wall industry in North America. See below for our current course schedule. Detailed course descriptions can be found on our GRP Training Program and Half-Day Courses pages.