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... 1,100 Years of El Niño History In Tree Rings
May 9, 2011 | University of Hawaii at Mānoa
"An international team of climate scientists has now shown that annually resolved tree-ring... Gulf of Mexico Microfossils and Climate Change
May 5, 2011 | USGS on YouTube
"Proxy data such as tree rings, ice cores, and microorganisms are collected and analyzed by... Wildfires, Volcanoes and Climate Change
June 14, 2011 | MSNBC
Will the recent wildfires and volcanic eruptions have an impact on climate change?... | 
