View larger image Questions … and answers … on causes and impacts of climate change: no longer primarily the domain of mainstream news organizations. Wander through The California Academy of Science’s “Altered States: Climate Change in California” exhibit. View exhibits [...]

These days it seems as if a single hot or cold day is all it takes to inspire a reporter or politician to blame the mercury’s position on global warming, or, alternatively, claim it as proof that global warming doesn’t [...]

View larger image UCS PresidentKevin Knobloch CAMBRIDGE, MASS. – After eight years of battling the Bush administration to preserve the integrity of science and inform public policy on environmental and nuclear issues, Union of Concerned Scientists President Kevin Knobloch is [...]

 (Editor’s Note:  This piece was slightly edited on May 6, 2009, to correct the reference to the author of the MIT Knight Science Journalism Tracker posting.)  Geoengineering – intentionally manipulating the climate to counteract the unplanned manipulation of manmade warming [...]

The Anasazi culture of the southwestern United States reached its zenith between 1050 and 1125 A.D. before experiencing a dramatic collapse. Despite their advanced industrial society known for their cliff dwellings and ornate baskets, no authoritative written record adequately explains [...]

Human emissions of carbon dioxide (CO2) are the primary factor contributing to the warming of the Earth’s surface over the past half-century. However, for the past few years global temperatures have been stagnant or slightly decreasing even as atmospheric CO2 [...]

With an incoming U.S. President vowing to seriously address climate change, and his cabinet filling with outspoken advocates for such action, the United States, its economy, and its approach to the climate issue are poised to change in profound ways.