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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. In some parts of Asia, Africa and South America, the researchers identified data gaps which prevented them from characterizing ozone pollution exposure patterns. Source: University of Leicester. Click to enlarge. Owen Cooper.

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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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Significant climate anomalies 2008/2009. Source: Climate Change Compendium. Shifts in the hydrological cycle resulting in the disappearance of regional climates with related losses of ecosystems, species and the spread of drylands northwards and southwards away from the equator. Global emissions were growing by 1.1%

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UN report projects that increasing use of HFCs likely to have a significant climate impact by 2050; equivalent to current total annual emissions from transport

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The contribution of HFCs to climate forcing is currently less than 1% of all greenhouse gases. If HFC emissions continue to increase, they are likely to have a noticeable influence on the climate system. W m -2 relative to 2000. Climate and the Ozone Layer. —HFCs: A Critical Link in Protecting.

Climate 287
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NOAA: May Global Temperature is Warmest on Record; Spring and January-May also Post Record-breaking Temps

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The combined global land and ocean surface temperature was the warmest on record for May, March-May (Northern Hemisphere spring-Southern Hemisphere autumn), and the period January-May, according to the US National Oceanic and Atmospheric Administration (NOAA). Global highlights for May 2010. Global Highlights for March-May 2010.

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NOAA: Warmest April Global Temperature on Record; Also Warmest January-April

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The combined global land and ocean surface temperature was the warmest on record for both April and for the period from January-April, according to the US National Oceanic and Atmospheric Administration (NOAA). Global temperature anomalies in April 2010 with respect to a 1971-2000 base period. Source: NOAA. Click to enlarge.

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GISS study finds applying stricter non-CO2 vehicle emission standards worldwide would yield climate benefits in addition to major health and agricultural benefits

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Climate response to non-CO 2 vehicle emissions. Global and regional zonal mean temperature changes relative to 2010 due to non-CO 2. Bars on the right show uncertainty ranges for 2070, including contributions from both forcing and climate sensitivity (67%; CI). Impacts of worldwide vehicle emissions in 2030 compared with 2000.

Climate 231
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NOAA: Warmest Global Ocean Surface Temperatures on Record for July

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The planet’s ocean surface temperature was the warmest on record for July, breaking the previous high mark established in 1998 according to an analysis by NOAA’s National Climatic Data Center. The combined average global land and ocean surface temperature for July 2009 ranked fifth-warmest since world-wide records began in 1880.

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