Stunning photos of Earth from space by the Canadian astronaut

Take a visual journey to the most photogenic place on earth

UK startup seeks to harness the energy at our feet

Photographer Gary Jensen captures melting icescapes inside a Chicago cold storage facility

Neil Wagner on how global warming threatens the world economy

Brooklyn photographer captures surfer's paradise on film

The Walk Score team released new bikeability rankings, and they contain a few surprises

In Qatar, climate activists call on Islamic leaders to take a stand against global warming

Brooklyn-based artist/photographer envisions a post-apocalyptic world