Learn what it means to take part in the Cal Water H2O Classroom Challenge. Join us each year as we kick-off the annual competition. Follow along with multiple teachers as they tackle the Challenge with their students. What types of water issues do they take on? How do they engage their students in the project? Why do they participate? Sit back as the Challenge gets underway and witness how classrooms across California are caring for water in their local area.
Season 2023

Season 2022


Season 2021


Season 2020
