Swiss artist takes on climate change in playful photo series

These guerrilla beach installations go bye-bye with the rising tide

These watery photographs portray Venice as you've never seen it before

Neil Wagner on how global warming threatens the world economy

In prestigious Vendee Globe sailing race, Javier Sanso's boat relies on the power of wind, water and sun

Recent work from Europe's famous snow walking artist

The Nature Conservancy forges surprising partnerships to further its mission

Upstart app looks to track your carbon footprint

Leaders face big challenges at the 2012 climate conference