The past century has been defined by an epic migration of people from rural areas to the city. In 2008, for the first time in history, more of the Earth's population was living in cities than in the countryside. The U.N. now predicts that nearly 70% of the global population will be city dwellers by 2050.

Melting glaciers and ice caps are perhaps the most striking illustrations of the effects of global climate change. Surprisingly, however, there is relatively little data on just how fast the ice is disappearing.

[LONDON] Climate change could reduce the economic value of the services the oceans provide to mankind by almost US$2 trillion a year by 2100, according to a study presented at the Planet Under Pressure conference this week (26–29 March).

The first study conducted in a natural environment has shown that systemic pesticides damage bees' ability to navigate

Common crop pesticides have been shown for the first time to seriously harm bees by damaging their renowned ability to navigate home.

This visualization shows ocean surface currents around the world during the period from June 2005 through December 2007. The visualization does not include a narration or annotations; the goal was to use ocean flow data to create a simple, visceral experience.