News in Brief The Price to You for Modest Climate Action Offering some idea of what cap-and-trade might cost average Americans, the EPA estimates between $79 and $146 a year. Emily Badger
Environment The Dirt on Climate Change Could soil engineered specifically to maximize carbon storage dampen some effects of climate change? Very possibly. Peter Friederici
Economics Tempest in a Cement Mixer The world of carbonate chemistry is rocking over claims that a new kind of cement can sequester carbon. Frank Nelson
Environment Your Guide to the Carbon Rainbow And you thought carbon only came in basic black! Elisabeth Best
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 Transforming Cassandra into Pollyanna Worldwatch founder Lester Brown, long known for dire prognosis, reports cheerful climate and energy news for United States. Joan Melcher
Economics Reducing the ‘Car’ Part of Carbon Regulators in car-mad California have made a statement about reducing carbon in the atmosphere, and while its specifics have their critics, expect the rest of the nation to grudgingly follow along. Ray Estrada
Environment Protect a Levee, Protect the World A method of buttressing California's aging levees shows promise for capturing carbon dioxide. Joan Melcher
Environment Is Nitrogen the New Carbon? A discussion with ecologist Alan Townsend on mankind's love-hate relationship with nitrogen, and how this marriage can be saved. Michael Todd