We're all responsible for plastic pollution ─ and for cleaning it up

Citizen scientists across the world have joined forces to map the microplastic crisis in our oceans. It comes as a UN agency moves to create a global treaty to end plastic pollution. Also, the idea that trees can communicate via extensive networks of underground fungi is increasingly popular, but is it correct? New research casts doubt on the extent of the claim. And, replacing cargo planes with drones – the dream of a European drone cargo airline