Cultivate the habit of environmental preservation and global warming for the children. Forward to the day when they are grown. Will help to maintain the environment of this planet anyway.
Cultivate the behavior to the environment and reducing global warming to their children, so that the days ahead when he grow up as adults will help maintain the environment of this world.
Nurturing behavior to protect the environment and reduce global warming, and the boys to the future when he will have grown up to be an adult, care of the environment of the world.