The document discusses CBS's Responsibility Day event on September 1, 2009 which aims to focus on sustainability and student life. It believes that student activities reflect broader social norms and that developing sustainable thinking and behavior as a student will influence future societal conditions. The document also believes that students have a responsibility to acknowledge and safeguard the conduct of their community while developing their individual strengths, and that personal excellence will contribute to creating a sustainable world through the choices students make.