This tag is associated with 5 posts

The Monthly Climate: May 2011

Texas Drought and Mississippi Flooding Since record keeping began in 1895 the United States has never seen a month so dominated by extreme weather contrasts as May 2011. Based on data from NOAA, during the month of May 19.5% of the country was experiencing severe to extreme dry conditions while 35.2% was experiencing severe to … Continue reading

The Monthly Climate: April 2011

Extreme Weather in the U.S. and Beyond Drought. Wildfires. Wind. Hail. Tornadoes. Flooding. April 2011 was a month defined by extreme weather conditions, particularly in the United States. Texas followed its driest March in over 100 years with its fifth driest April. Higher temperatures and absent rainfall were blamed for power outages at refineries, a … Continue reading

Climate Change Indicators Updated: Glacial Retreat

The Climate Change Indicators page has been updated to include information on global glacial retreat as documented by the World Glacier Monitoring Service (WGMS). Earlier this year, the WGMS posted glacier mass balance data for 2006 and 2007 for 115 glaciers located around the world from North America, South America, Europe, Asia, and Antarctica. Additional … Continue reading

Changes at the Ends of the Earth

The last few days have seen announcements of some significant changes happening at the Earth’s poles. In Antarctica, the narrow ice bridge which was connecting the Wilkins Ice Shelf to two small islands has snapped, leaving the shelf, which is the size of Jamaica, likely to break away. Rifts in the bridge had been noticed … Continue reading

A Closer Look: Changes in Antarctica

Hasn’t Antarctica actually gained ice mass? When discussing Antarctica, it’s first important to get a sense of scale. Discussions of the Arctic and the Antarctic often confuse the two, but the region around the Earth’s southern pole is much, much larger. Antarctica, the continent, is about 5.4 million square miles in area, which is over … Continue reading



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The Consensus

173 professional scientific organizations (and counting) around the world acknowledge the global impact of rising emissions of greenhouse gases from human activities

The Indicators

Climate Change Indicators Climate Change Indicators NASA GISS - Global Annual Mean Surface Air Temperature ChangeGlobal Temperature Sea level change from 1993 to the present day Global Sea Level Northern Hemisphere Sea Ice Anomaly, 1979-Present Arctic Ice Melt Glacial Retreat, 1980-2010 Glacial Retreat Atmospheric CO2 Concentrations, Mauna Loa Atmospheric CO2 Level