Arctic Sea Ice News and Analysis
A Photograph of a Single Drop of Sea Water
Milan's Vertical Forest
The Bosco Verticale (Vertical Forest) will be the greenest building in Milan when completed, which is one of Europe's most polluted cities.
This Device Provides Clean Water for Pennies a Day
Photo: Watercone Passive Solar One Step Water Condensation FTW! We wrote about the Watercone back in 2004, but considering how much TreeHugger's audience has grown since then, it's likely that only a handful of you were reading the site back then. I
Fallstreak holes | Scenery Pictures
When Planet Earth Nearly Killed All Life
19-Year-Old Develops Ocean Cleanup Array That Could Remove...
The World Without Us - Alan Weisman
The World Without Us by Alan Weisman is a penetrating, page-turning, exploration of how our planet would respond without the relentless pressure of the human presence.