Cigarette filters are the most littered item on earth. Here in the UK, they make up around two-thirds of all litter, despite only 12% of people smoking. What steps need to be taken to protect the planet?
One Young World names five of the world's most powerful politicians under the age of 35 as part of a non-partisan award to recognise good political work.
Toby Mildon explains how talking about race can be difficult but overwhelmingly necessary in the era of #BlackLivesMatter and ongoing police brutality.
