Grounding Pre-Service Teachers in Sustainability in our September NewsletterAnnouncements, News / September 29, 2022 September 29, 2022 CELF’s September Newsletter highlights our program for pre-service teachers in conjunction with the Gulf Resarch Program of the National Academies and the University of Houston Clear Lake. Plus, our Summer Insitutes 2022 Recap, registration information for upcoming events, and a survey of California Elementary educators. Learn more here.