Species in Decline?
The coverage of the Living Planet Index and its claim that species populations have in...
More or Less · BBC Radio 4
October 11, 20149m 35s
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Show Notes
The coverage of the Living Planet Index and its claim that species populations have dropped 50% in the last 40 years aroused much suspicion among More Or Less listeners. The team looks at what the figure means and how it was calculated. This programme was first broadcast on the BBC World Service.