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<p>A team led by the �������� looking for clues about why Earth did not warm as much as scientists expected between 2000 and 2010 now thinks the culprits are hiding in plain sight -- dozens of volcanoes spewing sulfur dioxide.</p>

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<p>Creeping climate change in the Southwest appears to be having a negative effect on pinyon pine reproduction, a finding with implications for wildlife species sharing the same woodland ecosystems, says a ��������-led study.</p>

<p>A new study by an international team of scientists analyzing ice cores from the Greenland ice sheet going back in time more than 100,000 years indicates the last interglacial period may be a good analog for where the planet is headed in terms of increasing greenhouse gases and rising temperatures.<br /><br /></p>

<p>When a sun-gazing NASA satellite designed and built by the �������� launched into space on Jan. 25, 2003, solar storms were raging.</p>

<p>A new NASA-led study involving the �������� finds that when it comes to combating global warming caused by emissions of ozone-forming chemicals, location matters.    </p>
<p>Ozone is both a major air pollutant with known adverse health effects and a greenhouse gas that traps heat from escaping Earth’s atmosphere. Scientists and policy analysts are interested in learning how curbing the emissions of ozone-forming chemicals can improve human health and also help mitigate climate change.</p>

<p>To reflect its broader focus, the Colorado Renewable Energy Collaboratory, a research consortium including the ��������, the Colorado School of Mines, Colorado State University and the U.S. Department of Energy’s National Renewable Energy Laboratory has adopted a new name: the Colorado Energy Research Collaboratory.</p>

<p>Gaping crevasses that penetrate upward from the bottom of the largest remaining ice shelf on the Antarctic Peninsula make it more susceptible to collapse, according to �������� researchers who spent the last four Southern Hemisphere summers studying the massive floating sheet of ice that covers an area twice the size of Massachusetts.</p>

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<p>Gaping crevasses that penetrate upward from the bottom of the largest remaining ice shelf on the Antarctic Peninsula make it more susceptible to collapse, according to �������� researchers who spent the last four Southern Hemisphere summers studying the massive floating sheet of ice that covers an area twice the size of Massachusetts.</p>

<p>A team led by the �������� has been awarded $9.2 million over five years from the U.S. Department of Energy to research modifying E. coli to produce biofuels such as gasoline.</p>
<p>“This is a fantastic opportunity to take what we have worked on for the past decade to the next level,” said team leader Ryan Gill, a fellow of CU-Boulder’s Renewable and Sustainable Energy Institute, or RASEI. “In this project, we will develop technologies that are orders of magnitude beyond where we are currently.”</p>

<p>An analysis of mineral grains from the bottom of the western Grand Canyon indicates it was largely carved out by about 70 million years ago -- a time when dinosaurs were around and may have even peeked over the rim, says a study led by the ��������.</p>