Himalayan rivers are transboundary in nature, and therefore they do not conform to the laws of one particular country. In the context of disaster management, floods are a transboundary challenge...

A world map projection exposing the shortcomings of the time zone system; what would the world look like if time zone divisions were actually accurate? This is probably the first projection in...

All 4.5 million Uber pick-ups, and 82.4 million yellow cab pick-ups between April and September 2014. The rise of Uber is well documented, but the geographic complexity is often harder to see as...

This map was made by overlaying two publicly-available NASA maps showing light from cities at night. One map was recorded in 1992, the other in 2010. By overlaying and tinting them red and blue,...

Unmask My City is a global air pollution and health initiative engaging doctors and health professionals in actions to improve urban air quality. Shot in 10 cities in 7 countries, each place was...

Available for anyone to explore today. Travel through time. See change. Make discoveries.

The cities with the highest homicide rates are once again nearly all in Latin America

Every summer, typhoons rage in the southeast coast of China, causing great losses to the coastal people. We visualized the tracks of all the 1832 typhoons since 1949, and unfolded the story around...

Data is nothing without context. How can we understand a city without first understanding the characteristics of a normal or typical city? I crunched the numbers on eight measures of 917 cities to...

If you look at maps of mortality rates across the country, you might notice a pattern showing up again and again. It's a crescent shape that starts in southeastern Virginia and curves around the...

Plastic is ubiquitous in our everyday lives – so much that we cannot imagine living without it, nor see how dependent we have become on it. Plastic is in almost everything. Plastic production...

Istanbul Urban Database is an ongoing digital humanities project, digitizing and visualising the historic urban archives of Istanbul.

The one trillion tonne iceberg, measuring 5,800 square km, calved away from the Larsen C Ice Shelf in Antarctica sometime between July 10 and 12, scientists said.

Data on early slavery in the American north is easily available at the county level, but the most important patterns only emerge by going back to the original 1790 publications and plotting it town...

Wild animals are an indispensable part of nature and an important partner of ours. In the past hundred years, due to the continuous deterioration of the living environment of mankind and...

Since President Rodrigo Duterte launched his war on drugs a year ago, Philippine police have taken hundreds of dead bodies to hospital. Why?

This story is about how two government agencies differ in their approaches to mapping where differ plant species can survive in which parts of the country. The USDA is constantly improving their...

An imaginary world map where the continents, countries, cities, oceans, rivers and landmarks are made up from the titles of over 1,000 songs.

It's not a hoax, a myth, or a conspiracy among scienctists. As we argue about the path we take, let's recall the facts that compel the journey.

As climate change alters habitats and disrupts ecosystems, where will animals move to survive? And will human development prevent them from getting there? This map shows the average direction...

Faced with some of the steepest home prices in the United States, Bay Area residents are searching for cheaper cities to settle down.

The story of energy use, economic growth, and carbon emissions in four charts.

President Trump signed in March orders to reverse the previous administration’s energy policies, a move that he framed as “an end to the war on coal” and that comes amid a drop in the fuel’s use....

This was my final project for a cartography course during my GIS certificate program at Hunter College a couple years ago. I knew I wanted to do a 3D "topographical" map and I had worked with...

Haze, that is, smog caused by pollution, has become an inevitable part of life in many Chinese cities. Urban pollution has quietly increased, and it affects the health and lives of many city...

Many large cities in China, especially Chongqing, Wuhan and Nanjing, were traditionally known as “furnace cities”, suffer from long-lasing hot weather in summer. In recent years, with the global...

Treepedia measures the canopy cover in cities. Rather than count the individual number of trees, we’ve developed a scaleable and universally applicable method by analyzing the amount of green...

The dynamism of migration strengthens NYC and has contributed to the City’s growth in population to an all-time high of 8,537,673 in 2016. These charts show the number of people who moved to or...

In 2015, the global import-export market totaled $15.6 trillion. This animated map shows where those goods came from and where they went. Each dot represents $1 billion in value of a particular...

2015 Street Tree Census, conducted by volunteers and staff organized by NYC Parks & Recreation