| Toxic mercury, accumulating in the Arctic, springs from a hidden source - Mon, 21 May 2012 12:35:57 -0400 |
| Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic Ocean. read more |
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| Earth's water cycle intensifying with atmospheric warming - Mon, 21 May 2012 12:35:44 -0400 |
| A clear change in salinity has been detected in the world's oceans, signalling shifts and an acceleration in the global rainfall and evaporation cycle. read more |
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| New study by WHOI scientists provides baseline measurements of carbon in Arctic Ocean - Mon, 21 May 2012 14:32:43 -0400 |
| Scientists from the Woods Hole Oceanographic Institution (WHOI) have conducted a new study to measure levels of carbon at various depths in the Arctic Ocean. The study, recently published in the journal Biogeosciences, provides data that will help researchers better understand the Arctic Ocean's carbon cycle -- the pathway through which carbon enters and is used by the marine ecosystem. It will also offer an important point of reference for determining how those levels of carbon change over time, and how the ecosystem responds to rising global temperatures. read more |
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| Pollution teams with thunderclouds to warm atmosphere - Sat, 19 May 2012 22:31:38 -0400 |
| Pollution is warming the atmosphere through summer thunderstorm clouds, according to a computational study published May 10 in Geophysical Research Letters. How much the warming effect of these clouds offsets the cooling that other clouds provide is not yet clear. To find out, researchers need to incorporate this new-found warming into global climate models. read more |
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| Stanford scientists document fragile land-sea ecological chain - Fri, 18 May 2012 16:32:58 -0400 |
| Douglas McCauley and Paul DeSalles did not set out to discover one of the longest ecological interaction chains ever documented. But that's exactly what they and a team of researchers -- all current or former Stanford students and faculty -- did in a new study published in Scientific Reports. read more |
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| 1,000 years of climate data confirms Australia's warming - Thu, 17 May 2012 14:34:59 -0400 |
| In the first study of its kind in Australasia, scientists have used 27 natural climate records to create the first large-scale temperature reconstruction for the region over the last 1000 years. read more |
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| Sumatra faces yet another risk -- major volcanic eruptions - Wed, 16 May 2012 15:34:26 -0400 |
| The early April earthquake of magnitude 8.6 that shook Sumatra was a grim reminder of the devastating earthquakes and tsunami that killed tens of thousands of people in 2004 and 2005. read more |
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| Manmade pollutants may be driving Earth's tropical belt expansion - Wed, 16 May 2012 16:34:51 -0400 |
| Black carbon aerosols and tropospheric ozone, both humanmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics further poleward in that hemisphere, new research by a team of scientists shows. read more |
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| Chocolate and diamonds: Why volcanoes could be a girl's best friend - Wed, 16 May 2012 11:34:38 -0400 |
| Scientists from the University of Southampton have discovered a previously unrecognised volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the dynamics of volcanic eruptions. read more |
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| Ancient tree-ring records from Southwest US suggest today's megafires are truly unusual - Wed, 16 May 2012 13:35:17 -0400 |
| Today's mega forest fires of the southwestern U.S. are truly unusual and exceptional in the long-term record, suggests a new study that examined hundreds of years of ancient tree ring and fire data from two distinct climate periods. read more |
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