A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong correlation between the occurrence of volcanic eruptions and extreme cold weather in Ireland over a 1200 year period.
Oil sands pollution comparable to a large power plant
Scientists studying air pollution produced by excavation of oil sands have found elevated levels of the pollutants nitrogen dioxide and sulfur dioxide within 50 km of the mines in Alberta, Canada. For more information, see the AGU Press Release from February 22, 2012.
