Social Justice Cooling the Asphalt Jungle As green roofs proliferate to cool and cheer cityscapes, might they also suck up and store some of the carbon urban life pumps out? Enrique Gili
Economics Sinking Feelings About Storing Carbon Emissions on the Farm Climate legislation says we can stop global warming, improve our soils and help our farmers all at once. Not so fast. Nicholas Kusnetz
Social Justice A Second Life For Orbiting Carbon Observatory? As the need to measure carbon absorption takes on global political and environmental import, researchers are rushing to resurrect a project that literally crashed and sank. David Richardson
Environment The Perils of Being Selfish With Shellfish Bandits, then locals, broke the rules in self-governed marine reserve, marring what had been a heart-warming conservation success. Melinda Burns
Environment Your Guide to the Carbon Rainbow And you thought carbon only came in basic black! Elisabeth Best
Environment U.S. Lethargy at Copenhagen Might Be Best for Climate The U.S. Senate's balkiness at passing a weak-kneed symbolic climate plan leaves an open door to a genuine and meaningful American bill. Emily Badger
Social Justice As American as Apple Pie? Antique apple orchards harbor untold heirloom varieties, but they're dying out. Melinda Burns
Environment Power to the Far-Flung People Jatropha-fueled entrepreneur bringing biodiesel and self-reliance to both the military and the world's forgotten corners. Ben Preston
Environment The First, Tentative Steps Cap-and-trade is by no means a new concept in American environmental efforts. What can other programs teach tomorrow's carbon traders? Erik Hayden
Environment A Rock That Helps Out In a Hard Place If only some incredibly common rock would just sit around and suck up carbon dioxide all day. Oh, there is one. Why aren't we excited about it? Sam Kornell