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NOAA greenhouse gas index continues climbing; 1.29 in 2010

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NOAA’s updated Annual Greenhouse Gas Index (AGGI), which measures the direct climate influence of many greenhouse gases such as carbon dioxide and methane, shows a continued steady upward trend. NOAA scientists created the AGGI recognizing that carbon dioxide is not the only greenhouse gas affecting the balance of heat in the atmosphere.

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Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

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Renault’s comparison of the carbon footprint of EV and ICE vehicles over production, operation and end of life. The publication gives the opportunity for an “apples-to-apples” comparison between the environmental impacts of the two types of powertrains: same manufacturer, same model, same boundary conditions. Click to enlarge.

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NASA GISS Study Finds That Methane Has an Elevated Warming Effect Due to Interactions With Aerosols

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In particular, the study led by Drew Shindell found that methane emissions have a larger warming impact due to those interactions than accounted for in current carbon-trading schemes or in the Kyoto Protocol. And hydroxyls drive long chains of reactions involving other common gases, including ozone. Shindell et al.

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Abt life-cycle analysis of different Li-ion chemistries for PHEVs and EVs identifies opportunities for improving environmental profile of batteries

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In addition, a single-walled carbon nanotube (SWCNT) anode technology for possible future use in these batteries was assessed. However, the GWP benefit only appears when the electricity grid relies less on coal production and more on natural gas and renewables. O 2 , Li-NCM); and lithium-iron phosphate (LiFePO 4 ). Life-cycle stages.

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Emissions of Air Pollutants down in EU-27

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The downward emission trend of three main pollutants which cause ground-level ozone continued in 2007: carbon monoxide (CO) fell by 57%, non-methane volatile organic compounds (NMVOCs) were down by 47% and nitrogen oxides (NO x ) have dropped 36%. EU-27 emissions of all four pollutants were lower in 2007 than in 2006.

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