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Study finds paved surfaces in Houston worsen air quality

Green Car Congress

Paved surfaces in the Houston area keep the city warmer than more natural surfaces. ““The very existence of the Houston area favors stagnation.” The research team combined extensive atmospheric measurements with computer simulations to examine the impact of pavement on breezes in Houston. Credit: UCAR.

Houston 247
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EPA Proposes New Tougher Ground-Level Ozone Standards

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Counties projected to violate proposed Primary 8-hour Ground-Level Ozone Standards in 2020. The United States Environmental Protection Agency has proposed the strictest standards to date for ground-level ozone. EPA is proposing an accelerated schedule for designating areas for the primary ozone standard. Source: EPA.

Ozone 186
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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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Annual American Lung Association report shows continued progress in air quality, but more to be done

Green Car Congress

This year’s report finds that the majority of American cities most-polluted by ozone (smog) or year-round particle pollution (soot) have improved, showing continued progress in the cleanup of toxics under the requirements of the Clean Air Act. When ozone is inhaled, it irritates the lungs. 10 Most Ozone-Polluted Cities.

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Study: more stringent O3 and PM2.5 air pollution standards could save thousands of lives, greatly improve public health

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The EPA sets standards for six principal air pollutants to meet its obligation under the Clean Air Act to protect the health of the American public, including vulnerable populations, by an adequate margin of safety. Houston: (The Woodlands-Sugar Land), TX: 229 lives saved, 661 fewer morbidities and 636, 211 fewer impacted days.

Pollution 150
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Study finds marine workboat engines staying in service two times longer than estimated by EPA; emissions reduction implications

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This finding reveals important opportunities for clean air improvements, especially in large port cities such as New York and Houston. A longer service life reduces the fleet’s turnover rate to cleaner, lower-emitting engines, therefore increasing future-year emission estimates. Elena Craft, EDF Senior Director.

Mariner 223