IELTS, ESP, EAP and CALL

This is an very intriguing map that shows different urban layouts and applies the concept of population density at the city scale and compares it to the global population.  What is everyone lived in the city of New York (at New York's population density)?  How big would that city be? 

Peter Menzel's beautiful photography and our Hungry Planet...

This video is a fascinating portal into global food systems and how globalization is impacting local foods.  He traveled around the world to see what families eat in a given week, and how much all the food cost and where it can from.  Many wealthy countries exhibit poor nutritional habits (eating food high in fat, sugar and salt) while some in poorer people have a very balanced diet.  This leads him to describe the 'Nutritional Transition.'  Warning before showing in class: there are brief instances of non-sexualized nudity in the video.