Summer Ship Tracks in the Pacific

The large number of ships traversing the North Pacific, combined with all of the low clouds, make ship tracks more common here than anywhere else in the world. Roughly two-thirds of the world’s ship tracks are found in the Pacific.

Best beaches on Milos, Greece

Dazzling white rock formations, hidden caves and breathtaking beaches contrast with arresting blue seas to make Milos one of the most impressive islands in Greece.

As waters rise, coastal megacities like Mumbai face catastrophe

Mumbai and other fast-growing coastal megacities in Asia are particularly vulnerable to climate-related flooding. Twenty-one of the world’s 31 megacities hug a coastline, 13 of which are in Asia. These cities of 10 million or more often drive their national economies and are home to both rich and poor.