It is unknown, however, whether the availability of courses and programmes is sufficient to meet the needs and demands of adult learners. Other approaches that have demonstrated effectiveness with adults, such as work-based programmes and on-line courses targeted to adults were not so readily available. Furthermore, as earlier noted, the Galilee, and particularly its Arab population appears to be underserved by the Open University. The college provides programmes for teachers to prepare for changes in the math and science curriculum. The Gordon College conference centre organises meetings and conferences in fields such as gifted education, green education, that provide opportunities for teacher professional development.