In a Massachussetts vacation home, sustainable design strategies abound

What we can learn from the coldest century on record

Italian artist sets off smoke bombs in landscapes throughout Europe

Stacked time-lapse images create incredible painterly effect

UK startup seeks to harness the energy at our feet

Neil Wagner on how global warming threatens the world economy

Upstart app looks to track your carbon footprint

Leaders face big challenges at the 2012 climate conference

Data visualization project renders flowing air in visible form