Youth for Environmental Sanity(简称YES!年轻的赞助者和12-25岁的年轻人参加了夏令营，并组织了国际学生环境会议。YES，成立于1990年，旨在组织、支持和鼓励年轻人为一个公正、和平和环境友好的社会而努力。是的，开展校园讲座、研讨会、野营和学生组织及管理培训。

　　YES! is a nonprofit organization that connects, inspires and collaborates with changemakers to join forces for thriving, just and sustainable ways of life for all. We work at the meeting point of internal, interpersonal, and systemic transformation.