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CO2 Levels Reach & Maintain 400 PPM - A Dubious Milestone in Human History

2014-06-03 09:25:00| Climate Ark Climate Change & Global Warming Newsfeed

Energy Collective: The World Meteorological Organization reports that, for the first time in human history, atmospheric concentrations of carbon dioxide (CO2) eclipsed 400 parts-per-million (ppm) in the northern hemisphere for the entire month of April. CO2 concentration vary with the seasons, generally reaching their highest level early in the northern hemispheres spring before seasonal intake of CO2 from vegetation. The first recording of 400 ppm occurred briefly in the spring of 2012 at the National Oceanic and...

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Florida Utilitys Nuclear Plan Passes Important Milestone

2014-05-28 20:52:29| ENR.com: Headline News

State regulators okay Florida Power & Lights proposal to build two more nuclear reactors at Turkey Point

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CO2 Levels Reach Record-Breaking Milestone in Northern Hemisphere

2014-05-28 20:01:00| Climate Ark Climate Change & Global Warming Newsfeed

Nature World: For the first time, carbon dioxide (CO2) levels have reached a record-breaking milestone, its monthly concentrations topping 400 parts per million (ppm) in April throughout the Northern Hemisphere, the World Meteorological Organization (WMO) reports. (Photo : Reuters/Yves Herman) For the first time, carbon dioxide (CO2) levels have reached a record-breaking milestone, its monthly concentrations topping 400 parts per million (ppm) in April throughout the Northern Hemisphere, the World Meteorological...

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Carbon Dioxide Passes Global 400 ppm Milestone

2014-05-27 20:30:00| Climate Ark Climate Change & Global Warming Newsfeed

Climate Central: A new carbon dioxide milestone has been reached according to the World Meteorological Agency. Average carbon dioxide measurements at all monitoring stations in the northern hemisphere were above 400 parts per million for the month of April, the first time that's been recorded in human history. The location and April average CO2 levels measured at 12 World Meteorological Organization monitoring stations around the globe. Previous reports from the Mauna Loa Observatory, the longest continually...

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