Remove 2004 Remove Carbon Remove Ozone
article thumbnail

Researchers Find That Stratospheric Ozone Depletion Reduces Southern Ocean Carbon Uptake

Green Car Congress

Researchers in France have found that ozone depletion above Antarctica has significantly reduced the Southern Ocean’s ability to absorb atmospheric CO 2 and has also accelerated acidification of southern polar waters, despite lesser CO 2 uptake. The results revealed that, between 1987 and 2004, around 2.3 Earlier post.)

Ozone 150
article thumbnail

NOAA greenhouse gas index continues climbing; 1.29 in 2010

Green Car Congress

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. Started in 2004, the AGGI reached 1.29 NOAA researchers developed the AGGI in 2004 and have so far back calculated it to 1978.

2010 199
article thumbnail

CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Green Car Congress

2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.

Diesel 296
article thumbnail

EPA proposes waiving Federal requirements for stations to capture gasoline vapors when vehicles refuel beginning in 2013

Green Car Congress

systems in areas classified “Serious,” “Severe,” or “Extreme” for nonattainment of the ozone national ambient air quality standard (NAAQS). ORVR systems are carbon canisters installed in vehicles to capture gasoline vapors evacuated from the gasoline tank before they reach the pump nozzle. Storage Tanks (Tom Driscoll, EPA).

EPA 186
article thumbnail

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Green Car Congress

Panels show (a) PM 2.5 , (b) elemental carbon (EC), (c) NO x , (d) CO, (e) formaldehyde, and (f) sum of target VOCs. Among the findings were that at idle, B20 increased engine-out and DOC-out emission rates of CO, NMHC, PM 2.5 , elemental carbon (EC), formaldehyde, benzene, and other VOCs (volatile organic compounds) for both the 1.7

Pollution 231
article thumbnail

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

Green Car Congress

Ocean acidification caused by the absorption of carbon dioxide in seawater is already increasing along the California coast decades earlier than existing models predict. The growth in carbon dioxide emissions from energy and industry has exceeded even the most fossil-fuel intensive scenario developed by the IPCC at the end of the 1990s.

article thumbnail

WMO: Atmospheric Concentrations of Main Greenhouse Gases in 2008 Set New Highs

Green Car Congress

The latest analysis of observations from WMO’s Global Atmosphere Watch (GAW) Programme for 2008 shows that the globally averaged mixing ratios of carbon dioxide (CO 2 ), methane (CH 4 ) and nitrous oxide (N 2 O) reached new highs with CO 2 at 385.2 The globally averaged mixing ratio of carbon dioxide (CO 2 ) in 2008 was 385.2

2008 218