EnvironmentSwitching beef for chicken could reduce water footprint of US diets Simple dietary changes – like switching beef for chicken and peas for asparagus – may help people in the US reduce the amount of water required to put their meals on the table News
SpaceMost alien civilisations risk fuelling global warming on their planets Humans have influenced Earth’s climate so much that we have triggered a new geological epoch, the Anthropocene. Now physicists say that around 60 per cent of alien civilisations could do the same on their home planets News