By George Steinmetz

Secular climate change activists can learn from evangelical Christians

3D words, fabricated in ice, explore the relationship between language and landscape

Hyper-realistic finger paintings depict an island nation in risk of disappearing

Liverpool photographer highlights hidden and forgotten places

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

Retreating ice unveils mineral treasures

New book vividly captures climate change in action

In a sober piece for Rolling Stone, Bill McKibben shows us the simple, terrifying climate change math of today

Mind-blowing photos of a massive Nebraskan thunderstorm