# A Swiss study published in Nature has revealed that human activity has led to a nearly 20-percent drop in global biodiversity. Researchers analysed data from two-thousand-100 studies, comparing 50-thousand human-affected and unaffected sites. The study identified habitat change, resource exploitation, climate change, pollution, and invasive species as the five key drivers. Meanwhile, the researchers say human impact on wildlife varied by location, as did the degree to which biodiversity was homogenised by human activity.
Human activity has led to a 20% drop in global biodiversity