You've probably heard of rooftop gardens, but what about roofs as watersheds? Sophie Krause introduces the newest trend in urban sustainability, with photography by Ike Edeani.
At the end of winter, we set our sights on the land of hot and dry. By Amy McDermott.
Greenland keeps the secrets of earth's ancient climate locked in layers of snow and ice. By Holly McKelvey.
Unexpected environmental consequences of artificial snow in the Austrian Alps. By Elina Kolate.
Those annoying little spasms are a holdover from our ancient past. By Ben Nimkin.