Green Car Congress
SEPTEMBER 2, 2011
In a statement released this morning, President Barack Obama said he has requested that US Environmental Protection Agency (EPA) Administrator Lisa Jackson withdraw the agency’s draft Ozone National Ambient Air Quality Standards (NAAQS) rulemaking. Earlier post.) National Ambient Air Quality Standards (NAAQS).
Green Car Congress
AUGUST 19, 2019
55% of land area) by the middle of the century, and would increase by 3% and 4% the population-weighted average concentrations of fine particulate matter (PM 2.5 ) and ozone, respectively. and ozone exposure, respectively. and ozone in 2050 by factors of 1 and 3, respectively. C) and ozone (D) exposure are shown.
Green Car Congress
NOVEMBER 21, 2011
The decrease in CO 2 equivalent emissions of ODSs (ozone-depleting substances: CFCs, halons, HCFCs, and others) may be offset by the projected increase in their non-ozone depleting substitutes (HFCs) (lines designated as HFC scenarios). Climate and the Ozone Layer. Source: UNEP. Click to enlarge.
Green Car Congress
MAY 16, 2011
Data collected during a major 2010 state-federal atmospheric research project show that the first-in-the-nation regulation requiring ocean-going vessels to use clean fuel when near the California coast has been extremely effective in reducing sulfur dioxide pollution from ships, according to the California Air Resources Board (ARB).
Green Car Congress
DECEMBER 4, 2011
C) greater than the 1981-2010 baseline period. In 2006, NOAA’s Climate Program Office introduced the State of the Arctic Report which established a baseline of conditions at the beginning of the 21 st century. Sea ice: Minimum Arctic sea ice area in September 2011 was the second lowest recorded by satellite since 1979.
Green Car Congress
JANUARY 28, 2014
Compared to the 2010 “Business as Usual” scenario—which includes all adopted emission control measures for the South Coast—NO x levels must be reduced by 65% and by 75% to meet the 2023 and 2032 ozone standards, respectively. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels.
Green Car Congress
APRIL 29, 2013
Tg CO 2 eq), after having increased by 43% from 1990 through 2006. The figure includes the direct effects and those indirect effects due to the production of tropospheric ozone and stratospheric water vapor.) Overall, EPA reported a slightly less than 1% drop in methane (CH 4 ) emissions from 2010 to 2011 (from 592.7 Tg CO 2 eq.
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