Stunning photos of Earth from space by the Canadian astronaut

Swiss artist takes on climate change in playful photo series

Portland artist pays homage to his Dad with these collaborative mixed media works

Flowing bamboo building references the anatomy of a manta ray

Neil Wagner on how global warming threatens the world economy

Striking images of our home planet as seen from orbit in 2012

Leaders face big challenges at the 2012 climate conference

Moody analog beauty from the Lithuanian photographer

Gorgeous photos of people, places and vegetation in the Pacific Northwest