Environment Vulcan Logic and the Missing Sink Researchers studying a mashup of existing data are tracking exactly where carbon is entering — and exiting — the atmosphere. David Richardson
Environment Concrete Solutions for Climate Change New concrete manufacturing processes are not only green, they take carbon out of circulation. Frank Nelson
Environment Let’s Get Wind Power Off the Ground A new crop of entrepreneurs believes that wind power can and should take to the skies — literally. Frank Nelson
Environment A Visit to Dirty Snow Cones National Park The eponymous highlights of Glacier National Park are fast disappearing. Bruce Dorminey
Environment If Bridges Could Talk … New monitoring systems should make smart bridges that let on when they're feeling fatigued. Arnie Cooper
Environment The Most Widespread Global ‘Happening’ Ever? Whether meaningful mass grassroots action or silly stunt, the political theater of the International Day of Climate Action made a splash. Kristian Beadle
Environment ‘We Are the First to Go’ Students on island of Yap learn that climate change is not an abstraction in their futures. Justin Nobel
Environment Before the Flood The U.S. spends billions on levees, but river flooding still causes havoc across the country. Vermont has a better way. Ryan Blitstein
Environment Snagging Free-Range Solar Power in Space Is an Option Floating solar cells far above Earth and beaming the energy to the grid has shifted from loony to funded. Bruce Dorminey
Environment All the Pretty Beach Horses Can the descendants of horses left by Spanish explorers coexist with native plants and animals on North Carolina's environmentally sensitive Outer Banks? A study will tell. Nick DiUlio