Video: 4th and 5th grade students show how they practice the 4Rs - Reduce, Reuse, Recycle and Rot (compost):

https://www.youtube.com/watch?v=rKVM_sK_-Vk

Lesson plan for the 4 r's:

http://www.gcpcenvis.nic.in/Kids-Student/Doing_the_4Rs_complete_english2.pdf