‘A wake-up call’: total weight of wild mammals less than 10% of humanity’s

From elephants to tigers, study reveals scale of damage to wildlife caused by transformation of wildernesses and human activityThe total weight of Earth ’s wild land mammals – from elephants to bisons and from deer to tigers – is now less than 10% of the combined tonnage of men, women and children living on the planet.A study by scientists at Israel ’s Weizmann Institute of Science, published this month, concludes that wild land mammals alive today have a total mass of 22m tonnes. By comparison, humanity now weighs in at a total of around 390m tonnes.Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Wildlife Biodiversity Science Environment World news Conservation Endangered habitats Source Type: news