I came across this today. 'One' is a brand of bottled water. Through purchasing it, money is raised for water projects in Africa. You can buy the water from a variety of stores. We are looking at whether we could make it a project at College.
They have invented a kids' roundabout that pumps water out of a well, and about 40,000 bottles funds one such project.
Read more about One here
or watch this video, with narrative from Claire Goose