Summaries | Headlines

Carbon Dioxide Did Not End The Last Ice Age, Study Says (October 2, 2007) -- A new study contradicts the view that carbon dioxide was responsible for the meltdown that ended the last ice age. Deep-sea temperatures rose 1,300 years before atmospheric carbon dioxide, ruling out ... > full story

Arctic Sea Ice Extent May Have Fallen By 50 Percent Since 1950s (October 2, 2007) -- Arctic sea ice during the 2007 melt season plummeted to the lowest levels since satellite measurements began in 1979. If ship and aircraft records from before the satellite era are taken into ... > full story

'Remarkable' Drop In Arctic Sea Ice Raises Questions (October 1, 2007) -- Melting Arctic sea ice has shrunk to a 29-year low, significantly below the minimum set in 2005, according to preliminary figures. NASA scientists, who have been observing the declining Arctic sea ... > full story

Forests Of Endangered Tropical Kelp Discovered (September 28, 2007) -- Forests of a species of kelp previously thought endangered or extinct in deep waters near the Galapagos Islands has just been discovered. This discovery has important implications for biodiversity ... > full story

Could Iron Fertilization Of Oceans Combat Global Warming? (September 26, 2007) -- Several times over the past century, scientists and environmental engineers have proposed spreading slurries of dissolved iron into the oceans in order to "fertilize" the waters and promote vast ... > full story

Greenland Snow Melting Hit Record High In High Places, NASA Finds (September 26, 2007) -- A new NASA-supported study reports that 2007 marked an overall rise in the melting trend over the entire Greenland ice sheet and, remarkably, melting in high-altitude areas was greater than ever at ... > full story

Deep-sea Scientific Drilling Program To Study Volatile Earthquake Zone Launched (September 25, 2007) -- Scientists begin exploring the origins of earthquakes at their source with the launch of the Nankai Trough Seismogenic Zone Experiment. On Sept. 21, the Japanese drilling vessel Chikyu departs from ... > full story

Snowmelt In Antarctica Creeping Inland, Based On 20 Year Of NASA Data (September 24, 2007) -- In a new NASA study, researchers using 20 years of data from space-based sensors have confirmed that Antarctic snow is melting farther inland from the coast over time, melting at higher altitudes ... > full story

Satellite Paints Picture Of World's Oceans Over Last Decade (September 24, 2007) -- The NASA-managed Sea-viewing Wide Field-of-view Sensor instrument settled into orbit around Earth in 1997 and took its first measurements of ocean color. A decade later, the satellite's data has ... > full story

Bioluminescence Genes Found Through Metagenomic Study Of Deep Mediterranean (September 24, 2007) -- Metagenomics is a revolutionary approach to study microbes. Rather than isolating pure cultures, the power of high-throughput sequencing is applied directly to environmental samples to obtain ... > full story

Arctic Sea Ice Minimum Shatters All-time Record Low, Report Scientists (September 21, 2007) -- Scientists said September 20 that the extent of Arctic sea ice appears to have reached its minimum for 2007 on Sept. 16, shattering all previous lows since satellite record-keeping began nearly 30 ... > full story

Rising Surface Temperatures Drive Back Winter Ice In Barents Sea, Researchers Find (September 20, 2007) -- Rising sea-surface temperatures in the Barents Sea, northeast of Scandinavia, are the prime cause of the retreating winter ice edge over the past 26 years, according to new research. The recent ... > full story

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