"Plant a tree in 73" became a national slogan and very large numbers of trees have been planted over the decades since.
Ash die back has been widely reported in many programmes, especially news, in recent weeks and in this programme Saving Species asks whether the call to plant trees and desire to create new woodlands has in any way contributed to this fungal attack on Ash trees.
The programme also asks how serious a threat diseases are to our trees.
Also in the programme, news from around the world with Saving Species's regular news reporter, Kelvin Boot, and an update on the activities of the Open University's iSpot.
Listen to Saving Species
You can listen to this episode of Saving Species on BBC Radio 4 at 11:00am on Tuesday 20 November 2012. More information and a link to listen again can be found on the Radio 4 website.