claiming that the university's Long Range Development Plan and Environmental Impact Report do not account for a situation in which the university increases its student population without fulfilling its promise to double its campus housing capacity. Greek life UCSC is home to few fraternities and sororities. The first Greek organization on campus, Theta Chi, was given colony status on January 10, 1987 and chartered on October 14, 1989 (designation: Theta Iota). In the beginning, fraternities like Theta Chi and Sigma Alpha Epsilon were met with strong opposition from the student body. Student groups like P.A.C. (People's Alternative Community), S.A.G.E. (Students Against Greek Environments), and M.A.C. (Men's Alternative Community) protested the existence of Greek life at the UCSC campus. Theta Chi is now on the list of banned Greek-letter organizations. Greek life at UCSC includes fraternities Sigma Lambda Beta, Tau Kappa Epsilon, Sigma Pi, Lambda Phi Epsilon, Sigma Phi Zeta, Alpha Epsilon Pi, Pi Alpha Phi, and Delta Lambda Psi, the nation's first gender neutral queer Greek organization. Sororities that are members of the National Panhellenic Council at the University of California, Santa Cruz include Gamma Phi Beta and Kappa Kappa Gamma. Recently in June 2016 the Theta Xi chapter of Kappa Alpha Theta was chartered to bring a third National sorority to UC Santa Cruz. Sororities on campus include Delta Sigma Theta, Sigma Lambda Gamma, Sigma Alpha Epsilon Pi, alpha Kappa Delta Phi, Gamma Phi Beta, Kappa Kappa Gamma, Sigma Pi Alpha, Tri Chi, Sigma Omicron Pi, Kappa Zeta, Lambda Theta Alpha and Alpha Psi. The most recent Greek lettered organization added to the campus was Zeta Phi Beta sorority, which chartered its chapter Gamma Phi as of Spring 2016. Aside from social fraternities and sororities on campus, there are also a number of professional organizations as well. There are Kappa Gamma Delta, a prehealth sorority, Sigma Mu Delta, a prehealth fraternity, Alpha Phi Omega, a coed service fraternity, Phi Alpha Delta, a pre-law fraternity, and Delta Sigma Pi, a co-ed professional business fraternity. Sustainability Students established the Student Environmental Center (SEC) in 2001, have held annual Earth Summits, and established a sustainability funding body, the Campus Sustainability Council. In 2004, the UC Policy on Sustainable Practices was released, stating that the University of California Office of the President was committed to minimizing its impact on the environment and reducing its dependence on non-renewable energy. In 2006, a Committee on