Earth has lost half of its wildlife in the past 40 years

Rubbish dumped on the tundra outside llulissat in Greenland stand in stark contrast to icebergs behind from the Sermeq Kujullaq or llulissat Ice fjord – a Unesco world heritage site. Photograph: Global Warming Images/WWF-Canon The number of wild animals on Earth has halved in the past 40 years, according to a new analysis.