Natural world faces collapse as wildlife population plummets | The daily briefing

Number of wild animals living on Earth set to fall by two-thirds; Trump hits back at Khizr Khan again; Afghanistan war ignored in US presidential campaignThe number of wild animals living on Earth is set to fall by two-thirds by 2020, according to a new report, part of a mass extinction that is destroying the natural world upon which humanity depends. The Living Planet Index, compiled by researchers from WWF and the Zoological Society of London, shows that vertebrate populations are set to decli