It’s not that people in poorer countries want to eat unhealthily – but cost is a huge factor. Aleksandar Todorovic/Shutterstock.com/Editorial use only Derek Headey, The International Food Policy Research Institute (IFPRI) and Harold Alderman, The International Food Policy Research Institute (IFPRI) Poor diets are the number one risk factor in the global burden of disease: they account for one in …

During the pandemic, exercise classes and groups need to take social distancing guidelines into account. Noam Galai/Getty Images Entertainment via Getty Images L. Alison Phillips, Iowa State University and Jacob Meyer, Iowa State University Group exercise is very popular: Nearly 40% of regular exercisers participate in group fitness classes. In advance of the coronavirus pandemic, the American College of Sports …

Alexey Suloev/Shutterstock Lauren McWhinnie, Heriot-Watt University The bleak history of whaling pushed many species to the brink of extinction, even in the remote waters of the north and south poles. Over 1.3 million whales were killed in just 70 years around Antarctica alone. The scale of this industrial harvest completely decimated many populations of large whales in the Southern Ocean. …