AAP: A free online book outlining 20 simple things children can do to help the environment in their own backyard is being launched on Sunday. Climate Change In My Backyard is the brainchild of the book’s sponsor Ron Smith and environmentalist Bob Winters and can be accessed on www.thelittlegreenbooks.com. Some of the ideas put forward in the 27-page book are composting garden waste, setting up a worm farm, recruiting a couple of chickens to eat food scraps while fertilising the …