Main content
Is wildlife in decline?
It has been reported that wildlife populations have plummeted by 58% since 1970. If we continue this way the decline will be 67% by 2020. But do these numbers stand up to scrutiny? Can you really put a figure on wildlife decline and call it robust? Tim Harford finds out more.
First broadcast on More or Less, 6 November 2016.
Duration:
This clip is from
More clips from Radio 4 in Four
-
The growing trend of visible repairing
Duration: 07:05
-
How much energy do Christmas lights use up?
Duration: 07:16
-
What are the trends for 2022?
Duration: 05:38
-
Is a plastic Christmas tree better for the environment?
Duration: 07:10