A Scots schoolboy will become the youngest person to bring a petition before MSPs in Holyrood next week.
Callum Isted, from Livingston, is determined to drive single-use plastic out of schools and wants the Scottish Government to replace the disposable bottles of water given to youngsters with their lunches with a "sustainable, reusable, metal" version.
The Dedridge Primary pupil has already walked along the John Muir Way and petitioned West Lothian Council in a bid to have his campaign recognised.
