Tree Rings, Droughts and Volcanic Eruptions March 28, 2012 | New York Times Blog Droughts and Volcanic eruptions are both reflected in the tree rings of Guatemala. Read... Watershed-Scale Response to Climate Change March 23, 2012 | USGS "A study by the U.S. Geological Survey evaluated the hydrologic response to different projected... Climate Picture Could Change with New Ocean Current Discovery August 24, 2011 | National Science Foundation "Scientists have confirmed the presence of the North Icelandic Jet, a deep-ocean circulation system off... Thawing Permafrost Could Accelerate Climate Change by 2100 August 26, 2011 | Lawrence Berkeley National Laboratory "The study also found that soil in high-latitude regions could shift from being a sink... |