helen briggs reports.ssions and provide a home for thousands of different birds, mammals and insects. yet it�*s been revealed that more than a third of trees around the world are in trouble. experts here at kew worked on the latest extinction red list, which found deforestation is a major threat to life on earth. 38% of the world�*s trees are threatened with extinction. more than all the threatened mammals, birds, amphibians and reptiles added together. so a huge number of species, and these are found all across the world — in 192 countries, there is a threatened tree species. so, yeah, there�*s work to do everywhere. the extinction list is an ever growing tally of living things facing extinction, with more than 16,000 tree species at risk. like this wollemi pine. and if you take away the trees, you lose habitat for other living things, from birds to mammals. and it�*s notjust treesjoining the unenviable list. animals and birds are highlighted too, such as the much loved hedgehog, whose fortunes are going