At 10 p.m. on 23th May, 2011, the students from Githunguri Primary School and Mukuyu Primary School participated in the Green Wave 2011. The total of 166 students, from 5th grade to 8th grade, planted trees this time.

Each student planted 2~3 trees side-by-side so that they can identify their trees planted by themselves. After they planted trees, the students carried water from a pond nearby and watered their trees.

The total of 500 trees was planted by students in Ruiru by this Green Wave and everybody look forward to seeing how they grow.