An interview with plant ecologist Dr Ruth Mitchell from The James Hutton Institute about visible and invisible forest diversity.

And this week's 8.9ha Discussion is on Labour party policy on land use, trade and agriculture.

ffinlo Costain is joined by Phil Carson, the UK Policy Lead for the Nature Friendly Farming Network, and by Vicki Hird, author of Rebugging the Planet, and Strategic Lead on Agriculture with The Wildlife Trusts.