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Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

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Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Besides a danger to breathe, ozone lowers crop yields.

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California Air Resources Board adopts GHG cap-and-trade program; first auctions slated for Aug/Nov 2012

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The California Air Resources Board on Thursday adopted the final greenhouse gas (GHG) emissions cap-and-trade regulation. the destruction of existing stores of ozone-depleting substances in the U.S. ARB staff presentation. Earlier post.) mostly in the form of refrigerants in older refrigeration and air-conditioning equipment).

2012 218
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Study: consumer products overtake transportation as largest source of VOCs air pollution in cities

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The results, published in an open-access paper in the journal Science , suggest that the focus of efforts to mitigate ozone formation and toxic chemical burdens need to be adjusted, the authors suggested. As transportation gets cleaner, those other sources become more and more important. McDonald et al. Click to enlarge. Cappa, Jose L.

Pollution 264
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Research shows clean fuel-use for ships off California coast extremely effective in reducing sulfur dioxide pollution

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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).

Pollution 186
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California ARB greenlights states GHG cap-and-trade program

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At its meeting in Sacramento yesterday, the California Air Resources Board (ARB) endorsed the state’s cap-and-trade regulation. ARB Staff presentation on Cap-and-Trade Program. The “cap”—which declines each year—limits GHG emissions, and uses allowances to control total emissions; one allowance equals one ton of GHGs.

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Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

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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.

Climate 257
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California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

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Source: Staff presentation. The California Air Resources Board directed its staff to take steps to provide further locomotive and rail yard emission reductions beyond those achieved by existing US Environmental Protection Agency and state regulations and agreements. NO x helps create ground-level ozone, or smog.

Diesel 170