Science's breakthrough of the year -- The Poincar Theorem
... ... The Poincar Conjecture is part of a branch of mathematics called topology, inform...NCAR study: Trade imbalance shifts US carbon emissions to China, boosts global total
BOULDER- The growth of Chinese imports in the U.S. economy boosted the total emissions of carbon dioxide (a primary greenhouse gas) from the two countries by over 700 million metric tons between 1997 and 2003, according to a study published online in the journal Energy Policy. The analysis, prepared by two scientists at the National Center for Atmospheric Research, suggests that American emission...NCAR analysis shows widespread pollution from 2004 wildfires
BOULDER--Wildfires in Alaska and Canada in 2004 emitted about as much carbon monoxide as did human-related activities in the continental United States during the same time period, according to new research by the National Center for Atmospheric Research (NCAR). The fires also increased atmospheric concentrations of ground-level ozone across much of the Northern Hemisphere....... The NCAR study, w...