Bernhard Lehner, an assistant professor at McGill University in Montréal, has created the first accurate and complete map of the world's river systems, all in the digital domain. This river map allows rivers to be tracked across national boundaries. Lehner hopes that the map will be used to look at the impact of larger issues, like climate change.

Cropped Screenshot of World Rivers Water Map (via National Geographic)

To read more on this story see: "McGill Prof Creates First Accurate Digital Map of World’s Rivers"

This post originally appeared on Worldchanging Canada.