In his farewell address, George Washington warned, “It is our true policy to steer clear of permanent alliance with any portion of the foreign world.” Thomas Jefferson echoed the same sentiment at his inauguration: “peace, commerce, and honest friendship with all...
Based on data from NASA / SEDAC, this map shows how Italy’s population is distributed — half lives in the densely-packed purple areas (8% of the land), half lives in the sparse grey areas (92% of the land)....
Researchers in Germany have turned GPS data from three major world bike share programs into living, breathing visualizations of the cities themselves. Bike sharing programs have grown from just 24 cities worldwide a decade ago to more than 800...
Canada is a big country, the second largest in the world behind only Russia. But most of its 35 million people live in a very small area. To see how small, follow the series of maps below. Where do...
Last year, the TSA (Transportation Security Administration) confiscated a total of 22,044 “dangerous items” in airport security screenings around the U.S. Use the graphic below to see what those items were and how many were found in each U.S....
It’s well known that air travel impacts the climate. U.S. aircraft account for 11% of transportation-related greenhouse gas emissions. And as the EPA announced just last month, aircraft emissions contribute to climate change and “endanger the public health and welfare of...