Two Yale architects pose the question in an ambitious research project.
"Hsiang and Mendis have increasingly come to believe that the only way to study and plan for our urban planet is to conceptualize its entire population in one seamless landscape – to picture 7 billion of us as if we all lived in a single, massive city."
Challenge your knowledge of Geography from around the world in our 'Where in the World?' Quiz Tournament. It's just £0.49 ($0.75) to enter with a cash prize of £30 ($45) up for grabs. Enter now if you think you know your stuff!
Want to know where the poor live? Look at where the light isn’t.
"Satellite photos of Earth’s artificial lights at night form a luminescent landscape. But researcher Chris Elvidge of NOAA and colleagues from the University of Colorado and the University of Denver realized that they could also illuminate something much darker: the magnitude of human poverty. By comparing the amount of light in a particular area and its known population, they realized that they could infer the percentage of people who are able to afford electricity and the level of government spending on infrastructure development. This allowed them to extrapolate levels of human development—a measure of well-being that includes such factors as income, life expectancy and literacy."
A rice enriched with beta-carotene promises to boost the health of poor children around the world. But critics say golden rice is also a clever PR move for a biotech industry driven by profits, not humanitarianism.