Precipitation evaporation Groundwater flow 天人合 Groundwater flow Clay layer People and nature is an entity • 可持续发展教育拓宽了环境教育的范围: ESD extends existing environmental education − 坚持环境教育； keep in environmental education − 协调社会发展和经济发展的需要；integrate the need of social and economic development − 涉及贫穷、人口、健康、食物安全、民主、人权、和平等问题。 Incorporate problems of poverty, population, health, food security, democracy, human rights and peace etc. • 需要各种形式的教育：社区教育、非正规教育、中小学教育和领导 人培训等。 ESD demands all types of education: community, informal, mid and primary school, as well as leadership training etc. • 正规教育是可持续发展教育的中坚力量，高等教育则是正规教育的 最上层。可持续发展教育的深层次问题，需要通过高等院校的研究 和教育来完成。而且，高等教育可以完成教育者受教育的任务。 Formal education is the core of ESD, high education is located at the top of formal education. The in-depth problems of ESD are to be coped with by university research and education. Besides, universities are responsible for the training of trainers of ESD. Groundwater flow Groundwater flow groundwater recharge Precipitation evaporation 天人合一 Clay layer People and nature is an entity 3