Famed husband and wife photo duo interpret the interplay between culture and environment

In California, the answer is yes, says new study

Photo series captures the energy and bustle of the megacity

British photographer and wife wiggle their toes across the globe

Photo project asks the public to document environmental issues and everyday life

A short selection from one of our favorite photographers

New discovery could double solar electricity output

A selection of the best environment photos of 2011

Terrific travel pics from Bay Area photog