National Geographic is running a wonderful website on Globalization, the international exchange of goods, services, cultures, ideas, has brought increased wealth for many and transformed forever the way humans interact. But while its roots may be in commerce, globalization‘s effects can be very personal.

Advances in communication and transportation have created a rich, unprecedented mixing of cultures throughout the world. But there is a drawback. As international travel, economic migration, and the global spread of music, films, and literature bring more people than ever into intimate contact, human diversity is vanishing.

A shared language is perhaps the most profound expression of group identity and a critical tool for passing cultural knowledge from one generation to the next. But globalization is about integration. Whether by choice, by circumstance, or under duress, thousands of cultural and linguistic traditions are disappearing as their new generations adopt dominant national and global languages.

Workers, from wealthy consultants to unskilled laborers, are also on the move as never before. Some migrants are encouraged by host countries or regional agreements; others avoid official avenues and often live a shadowy, parallel existence once they arrive. Immigration is high, but it is economic migrants—seeking work more than a new homeland—who define our age.

Read more from them here: EarthPulse by National Geographic