EPA checks Illinois oil spill, American trees moving north, Alaskan town left out in the cold, the "promise and peril" of a second Industrial Revolution, going green in hard times, and the rise of citizen scientists.
Climate change may worsen Australian wildfires, oil sludge spills into Illinois river, Exxon Valdez spill still killing, electrical storm looms for U.S. auto industry, and how to bottle up economic grief.
Fishing frozen in the Arctic, fighting deforestation with pheromones, a rock-solid plan to sequester CO2, North Pole is in hot water, how butterflies hijack ant colonies, and how evolution is as American as apple flies.
Does it matter if a dog breed goes extinct? Why are we warm-blooded? Are big, sustainable cities possible? Also: Scientists discover the world's oldest animal and a new species of carnivorous sea squirt.
Obama administration takes the path of lease resistance, Hillary Clinton ushers in political climate change, Sweden goes fission, floods wash Australian crocs into streets, and Lebanon plays follow the cedar.