Intensive farming identified as key factor behind Europe's bird decline

SCIENCE © FRANCE 24

Europe has lost about one quarter of its bird population over the last 40 years. A new study from the Proceedings of the National Academy of Sciences shows that intensive farming is the key factor in this decline, even more so than global warming or urbanisation. FRANCE 24's Science reporter Shirli Sitbon looks at the reasons why intensive farming has been singled out.