Research suggests that humanity’s destruction of biodiversity creates the conditions for new viruses and diseases such as Covid-19, or the coronavirus, the viral disease that emerged in China in December 2019, to arise. According to disease ecologists viruses and other pathogens are also likely to be transmitted from animals to humans in the many informal meat markets that have sprung up in urban populations around the world. This article focuses on the increasingly visible connections between the wellbeing of humans, other living things and entire ecosystems. Additionally, it also argues that zoonotic diseases and viral infections are linked to environmental change caused by human behavior. Photo Credit: National Institutes of Health/AFP via Getty Images