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<p>The �Ͼ�Ʒ�� topped two leader boards in the U.S. Environmental Protection Agency 2011 Game Day Challenge -- a national competition to eliminate waste generated at college football games.</p>
<p>CU won the 48-school “Diversion Rate” and 17-school “Organics Reduction” categories in the EPA NCAA Division I Football Bowl Subdivision contest.</p>

<p>The Rio Grande Rift, a thinning and stretching of Earth surface that extends from Colorado central Rocky Mountains to Mexico, is not dead but geologically alive and active, according to a new study involving scientists from the �Ͼ�Ʒ�� Cooperative Institute for Research in Environmental Sciences.  </p>

<p>Summertime hail could all but disappear from the eastern flank of Colorado Rocky Mountains by 2070, says a new study by the National Oceanic and Atmospheric Administration, the �Ͼ�Ʒ�� Cooperative Institute for Research in Environmental Sciences and the National Center for Atmospheric Research.</p>

<p>How did insects get their hearing? A new study of 50-million-year-old cricket and katydid fossils sporting some of the best preserved fossil insect ears described to date are helping to trace the evolution of the insect ear.</p>
<p>According to paleontologist Dena Smith of the �Ͼ�Ʒ��'s Museum of Natural History and University of Illinois Professor Roy Plotnick, who collaborated on the new study at the National Evolutionary Synthesis Center, or NESCent, in Durham, N.C., insects hear with help from some very unusual ears.</p>

<p>A �Ͼ�Ʒ�� team is partnering with the United States Agency for International Development to assess snow and glacier contributions to water resources originating in the high mountains of Asia that straddle 10 countries.</p>

<p>Two �Ͼ�Ʒ�� researchers who have adapted a three-dimensional, general circulation model of Earth's climate to a time some 2.8 billion years ago when the sun was significantly fainter than present think the planet may have been more prone to catastrophic glaciation than previously believed.</p>

<p>A team of researchers led by the �Ͼ�Ʒ�� has discovered the first prehistoric bronze artifact made from a cast ever found in Alaska, a small, buckle-like object found in an ancient Eskimo dwelling and which likely originated in East Asia.</p>

<p>A new study of sediments laid down shortly after an asteroid plowed into the Gulf of Mexico 65.5 million years ago, an event that is linked to widespread global extinctions including the demise of big dinosaurs, suggests that lowly worms may have been the first fauna to show themselves following the global catastrophe.</p>

<p>The blanket of sea ice that floats on the Arctic Ocean appears to have reached its lowest extent for 2011, the second lowest recorded since satellites began measuring it in 1979, according to the �Ͼ�Ʒ��'s National Snow and Ice Data Center.</p>

<p>American pikas, the chirpy, potato-sized denizens of rocky debris in mountain ranges and high plateaus in western North America, are holding their own in the Southern Rocky Mountains, says a new �Ͼ�Ʒ�� study.</p>