The College of Natural and Agricultural Sciences (CNAS) is proud of its alumni who are contributing to fields and breakthroughs all over the world. If you are a CNAS alum, please keep in touch. Sign up for our newsletter. Keep an eye on events of interest happening throughout the year by visiting the links below for alumni events, the CNAS homepage and the UCR calendar for campus events. Two key happenings to look out for: UCR Homecoming in fall and the Science Lecture Series in spring.