Just in case that's happened to you recently (as it has to me), here's a video from Unicef UK entitled 'Put it Right', which they've created to support their 5 year initiative to inspire action to protect the rights of children everywhere.
And before you click away, there are no images of gratuitous violence against children on it; just kids doing what they do everywhere and simply getting on with their lives. But in circumstances that may make you weep.