CO2 concentrations top 400 parts per million throughout northern hemisphere XL Label

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CO2 concentrations top 400 parts per million throughout northern hemisphere, World Meteorological Organization , atmosphere, carbon dioxide, concentrations of carbon dioxide , greenhouse gase, northern hemisphere

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Study on car subsidy schemes, China burns much more coal than reported, An international team of researchers gains new insights into arctic permafrost, Cabinet adopts CCS act, CO2 reaches tops 400 ppm, Environment Committee CO2 emissions: cleaner vans by 2020, Tropical coral reefs lose two thirds of their zooplankton through ocean acidification, Report: Trends in Global CO2 Emissions 2012, Scientists analyse the extent of ocean acidification, 2010 Emissions down by 25 percent over 1990 levels, Drought Sensitivity of the Amazon Rainforest, Global emissions of greenhouse gases have reached another new all-time high, NASA Launches Carbon Mission to Watch Earth Breathe, 2011 wärmstes La Niña-Jahr, In 2013 global CO2 emissions exceed 35 billion tonnes for the first time, Productivity of land plants may be greater than previously thought, First-time research of power plant carbon dioxide in geological storage, Weather extremes provoked by trapping of giant waves in the atmosphere, Energy efficiency measures for international shipping adopted, Celebrating 50 years of World Weather Watch, Agreement over CO2 limit values for passenger cars, Carbon dioxide concentrations reach 410 ppm