One of the most impressive maps in your book is the map of the world’s mega-cities. You say that by 2030, more than 70 percent of people will live in cities, and that these cities matter a lot ...

The map is called ClimateEx, and it is based on around 50 years of weather data from 50,000 weather stations around the world. It also uses projected data as far forward as the year 2070.

Fra Mauro’s map organized state-of-the-art knowledge about the world beyond Murano, but it was also art for the state. Venice was a mercantile superpower, brokering overland trade from Asia and ...

The ultimate goal of this data collection, the startup says, is to build an ever-updating 3D map of the world. Their latest tech allows them to peer into this map and distinguish what types of ...

The world's biggest and most dynamic economy derives its strength and resilience from its geographic diversity. Economically, at least, America is not a single country. It is a collection of seven ...

New research shows that by 2050 an additional 1 billion people will live in areas with high levels of water stress. See where water is scarcest in the world — and why we need to conserve.

A map from the paper showing potential municipal solid waste (MSW) leakage in rivers in 2020. The hotspots of waste may only get worse in the future.