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Researchers Flock to the Arctic as CO2 Surpasses 400PPM

New Arctic Ocean data adds to evidence linking rising CO2 levels to climate warming, which is occurring faster than it has since long before the Age of the Dinosaurs. A team of 40 researchers is gathering Arctic Ocean data before the region as we know it ceases to exist as the global average concentration of atmospheric CO2 surpassed 400 ppm.

Global Greenhouse Gas Levels Hit New Record

On Tuesday the United Nations World Meteorological Organization (WMO) reported in its Greenhouse Gas Bulletin that the volume of atmospheric greenhouse gases hit a new record in 2011. Carbon dioxide, the principal greenhouse gas, reached a level of 390.9 parts per million (ppm) in 2011, or 140 percent of pre-industrial levels. The WMO estimates that since 1750 about 413 billion…

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Extreme weather is becoming the norm in a warming world

Extreme Weather Makes a Convincing Case for Climate Change

The subject of extreme weather is of great importance because it provides a tangible illustration of climate change. The average person understands that the increasing number of record-breaking heat waves and tornadoes are more than isolated weather events, they reflect a changing climate. This point was born out in a recent study, which showed that more Americans are accepting the…

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Pakistan Floods, Climate Change, and Global Security

The ongoing devastation in Pakistan from recent flooding has now swamped one-fifth of the nation. Twenty million people, more than ten percent of the country’s population, are left homeless and in danger of contracting diseases such as cholera and other waterborne ailments. As of last Friday, at least 1500 have died from the flooding and millions are in danger of…

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2009 Warmest Year on Record in Southern Hemisphere

Data just released from NASA indicates that 2009 was the hottest year on record in the Southern Hemisphere, and globally comes in for a “three way tie” as the second-warmest year in the instrumental record (with 2007 and 1998), as Reto Ruedo, co-author of the NASA report, told Joe Romm of Climate Progress last week. According to surface temperature analysis…

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