Category Archives: Ozone

State of the Air 2014: 19 Texas Counties Continue to Struggle with Ozone Pollution

State of the Air ALA 2014Last week, the American Lung Association (ALA) released its annual State of the Air report, which reviews air pollution data compiled by the Environmental Protection Agency (EPA) for two of the most hazardous types of air pollution: ozone and particulate matter.

Overall findings indicate that ozone pollution increased in metropolitan areas throughout the nation due to warmer temperatures. At the same time, fine particle pollution, or soot as it is most commonly called, decreased due to fewer emissions from coal-fired power plants and wider use of cleaner fuels and engines.

For a primer on ozone pollution and health, read here.

Unfortunately, Houston crept up in the rankings to 6th most polluted for ozone in the country (up from 7th last year).  And with the exception of Dallas-Fort Worth, other cities in Texas followed the national ozone trend, reporting a greater number of unhealthy days this year. Texas cities did fare better on soot pollution, although a notable exception was El Paso, which was one of only five U.S. cities that saw an increase in year-round pollution. Read More »

Also posted in Air Pollution, Dallas Fort-Worth, Environment, Particulate Matter | Tagged | Comments closed

Did You Know that Ozone Season Is Longer than the Major League Baseball Season?

Source: Texas Tribune Haze over Dallas Area

Source: Texas Tribune Haze over Dallas Area

Para leer este artículo en español, haga clic aquí.  

As bluebonnets dot the Texas highways signaling the arrival of spring and summer, concerns about ozone pollution also begin to surface. March 1 marks the official start of ozone season in the Dallas Metroplex and in Greater Houston. Other metro areas, including Austin and San Antonio, mark April 1 as their start date. Ozone forecast season ends for most areas on October 31, but in Houston it lasts through November 30. Ozone season is nothing to celebrate, but this primer can help get you up to speed on the basics of ozone pollution and what you can do to improve air quality and protect the health of your family.

What is ozone? Ground-level ozone is the main component of smog and is the single most widespread air pollutant in the United States. Ozone pollution forms when nitrogen oxides and volatile organic compounds (primarily released from combustion of fossil fuels, like car exhaust) react with heat and sunlight. Texas’ combination of heavy industrial activity, hot summers, and millions of cars on the road increases the potential for generation of harmful levels of ozone. Read More »

Also posted in Air Pollution, En Español, Energy Efficiency | Comments closed

Why Latinos Are Disproportionately Affected by Asthma, and What We Can Do

This post was co-authored by Lucía Oliva Hen­nelly, EDF's Tom Graff Diversity fellow, Rachel Shaffer, EDF's Research Assistant, and Declan Kingland, National Health Programs Coordinator for the League of United Latin American Citizens.

Source: iStockphoto.com

Source: iStockphoto.com

Today in the United States, Latinos are three times more likely to die from asthma than other racial or ethnic groups. Latino children are 40 percent more likely to die from asthma than non-Latino whites, and nearly 1 in 10 Latino children under the age of 18 suffer from this chronic respiratory illness. Addressing the dangerous indoor and outdoor air pollution that is linked to asthma is critical for the health of Latino communities – and for all Americans.

Socio-economics

Latinos are one of the poorest demographics in the United States, with roughly 1 in 4 Latinos living under the poverty level. Many Latinos also face challenges due to limited English-language proficiency, and in some cases, low levels of education. These issues can lead Latinos, particularly new immigrants, to low-paying jobs, often in the fields of agriculture, construction, and service. Too often, these jobs expose workers to serious respiratory hazards from both indoor and outdoor air pollution, yet they frequently provide no healthcare benefits. For example, the toxic chemical formaldehyde, which is linked to asthma, can be found in glues, insulation, and wood products to which construction workers are disproportionately exposed. Asthma-related toxics can also be found in paints, cleaning products, carpets, and foam cushions. Read More »

Also posted in Air Pollution, Climate Change, Environment, Environmental Protection Agency | Tagged , , | Comments closed

Air Emissions from Eagle Ford Oil and Gas Activity Expected to Quadruple over next Four Years

Well site located in Eagle Ford Shale play

Well site located in Eagle Ford Shale play

Late last week, the Alamo Area Council of Governments (AACOG) released a report outlining emission projections from oil and gas activity in the Eagle Ford Shale play, the most active drilling area in the country right now. Under the moderate drilling activity scenario, projections of air pollutants are expected to quadruple in the next four years. Even though this seems like a staggering prediction, it is likely an underestimation, given certain emissions are not accounted for in the inventory.

What does the report say?

The report assesses the emissions from oil and gas activity in the Eagle Ford Shale play and projects air pollution under three different development scenarios: low, moderate, and aggressive. Projections over the next several years indicate that we can expect substantial increases in smog-forming nitrogen oxide emissions (NOx), volatile organic compounds (VOCs), and carbon monoxide. Read More »

Also posted in Air Pollution, GHGs, Natural gas, Oil, Particulate Matter, San Antonio, TCEQ | Tagged , , | 1 Response, comments now closed

A New Study Points to the Need for Improved Air Monitoring in Texas

Source: Dallas Observer

Source: Dallas Observer

A new study accepted for publication in Environmental Science & Technology takes a close look at the amount of certain air pollutants in the Barnett Shale, a booming oil and gas region in North Texas. Using public monitoring data from 2010-2011, researchers from the University of Texas at Austin compared air pollution levels measured at a monitor surrounded by oil and gas operations to the levels that would be expected based on available emission estimates. The result brings to light that the emissions inventory from the Texas Commission on Environmental Quality (TCEQ) for the Barnett Shale does not add up to the observations.

There are numerous air pollutants that can be emitted by oil and natural gas development.  Depending on the local composition of the produced gas, emissions can often include volatile organic compounds (VOC, such as propane, butane, pentane, etc.) that contribute to the formation of ground-level ozone (also known as smog), and toxic air pollutants like benzene and hexane that are directly hazardous to human health.  Methane, the primary ingredient in natural gas and a greenhouse gas catching lots of attention these days, is another powerful pollutant associated with these operations. Unlike the pollutants listed above, methane directly affects the health of our climate rather than human health. Fortunately, available technologies designed to capture methane are also effective in reducing these other pollutants. However, methane controls alone may not ensure that local air quality concerns are addressed – these require special attention.  Read More »

Also posted in Air Pollution, Barnett Shale, Dallas Fort-Worth, GHGs, Natural gas, Oil, TCEQ | Comments closed

Shelley: EPA Mandate Would Benefit the Lives of all Houstonians

This post was written by Adrian Shelley, Air Alliance Houston Executive Director.

This op-ed originally appeared in the Houston Chronicle on February 22, 2014.

Adrian Shelly, Executive Director, Air Alliance Houston

Adrian Shelly, Executive Director, Air Alliance Houston

We know that ozone pollution is a public health threat in Houston. Now a study by the U.S. Environmental Protection Agency suggests that threat is greater than previously thought. As a result, the ozone standard is likely to be lowered by the end of the year. Houston has never met an ozone standard, but it is time for us to get serious about protecting our health.

The Environmental Protection Agency has been considering lowering the standard since 2008, when President George W. Bush's EPA revised it to 75 parts per billion. That revision defied an EPA recommendation for a standard as low as 70 parts per billion. Now the agency recommends that 60 parts per billion may be needed to protect public health.

Ozone, unlike other air pollutants, isn't restricted to certain parts of Houston. It's found everywhere, and it causes asthma attacks, heart disease and even early death. In the Houston region, 6 million people are at risk.

It is the responsibility of the Texas Commission on Environmental Quality to bring ozone down to healthy levels. In reacting to the EPA's new findings, the TCEQ focuses not on the need to protect public health, but on the regulatory burden of reducing air pollution. The TCEQ is already attacking the science behind the new study. TCEQ Chief Toxicologist Michael Honeycutt has questioned even the concept of an eight-hour ozone standard, suggesting in a Houston Chronicle story that it might be "more appropriate" to return to a one-hour standard, as the EPA had in the 1970s.  Read More »

Also posted in Air Pollution, Environmental Protection Agency | Tagged , | Comments closed

EDF Is Going to Court to Secure Healthier Air for Millions of Texans

This post was co-authored by Tomás Carbonell, EDF Attorney, and Brian Korpics, EDF Legal Fellow.

Source: Texas Tribune Haze over Dallas Area

Source: Texas Tribune
Haze over Dallas Area

Last week, EDF took one more step toward protecting Texans from harmful levels of ozone pollution that have afflicted the state for far too long.

Ozone pollution, better known as “smog,” is one of the most severe and persistent public health problems affecting Texans.  Smog causes a range of health issues — including aggravation of asthma and other respiratory illnesses, decreased lung function, increased hospital and emergency room visits for respiratory conditions — and it is associated with premature mortality in urban areas.

According to the American Lung Association (ALA), Dallas-Fort Worth is the eighth most affected area in the country for smog.  ALA estimates the city is home to millions of people who are sensitive to ozone-related health problems — including 1.6 million people suffering cardiovascular disease; nearly 1.9 million children; nearly 650,000 elderly residents; and over 520,000 people with asthma. Read More »

Also posted in Air Pollution, Clean Air Act, Dallas Fort-Worth, GHGs, Natural gas, Oil | Tagged | 1 Response, comments now closed

Common Sense Policies Can Protect Thousands of Houston Schoolchildren from Roadway Air Pollution

Source: Campaign for Clean Air

Source: Campaign for Clean Air

Recently, the Houston Chronicle published an article showing that over 80,000 schoolchildren at 127 schools are frequently exposed to air pollution due to their proximity to busy roadways. Houston, in particular, is vulnerable to the formation of unhealthy air pollution, given the city is home to one of the busiest ports in the country and some of the busiest roadways, and emissions from all those vehicles tend to pool around the streets locals use most. But what’s critical to note is that exposure to this kind of pollution is especially harmful for our young ones, as children breathe in more air per pound of body weight than adults. Now, with these staggering figures, it’s clear that something must be done to protect Houston children from the dangers of vehicle pollution.

In total, 127 Houston-area schools were found to be located within 200 meters of a roadway, the distance within which traffic-related pollution is most potent. The accumulation of these emissions, which contain nitrous oxides (NOx) and volatile organic compounds (VOCs), form ozone pollution under the right conditions—usually on warm, sunny days. With no shortage of vehicles emissions or sunlight, the city is definitely a hot spot for ozone pollution and Houstonians are faced with increased health risks. Read More »

Also posted in Air Pollution, Clean Car Standards, Houston | Comments closed

EDF and Allies Defend EPA Emission Standards for Oil and Gas Pollution

Source: Angela Keck Law Offices LLC

Source: Angela Keck Law Offices LLC

By: Tomás Carbonell, EDF Attorney, and Brian Korpics, EDF Legal Fellow

This post originally appeared on EDF's Energy Exchange blog

As we have highlighted before, EPA’s recent actions regarding storage tank standards is of particular interest to Texas.  In 2009 alone, there were 6,120 storage tanks built in Texas large enough to be subject to EPA’s standards. The standards will apply only to new tanks. Since the number of new tanks is related to the number of existing wells, and Texas accounts for approximately 23% of new oil wells and 33% of new gas wells drilled in the U.S. (far greater than any other state), Texas is likely to account for a large share of the country’s new storage tanks. From a health standpoint, this rule preserves important protections for Texans, but much more remains to be done. Many counties in Texas fail to meet health based air quality standards. EPA needs to fortify thoughtful rules that place public health above all else, so that Texans (and many others) can breathe safe, healthy air that is free of ozone and other harmful contaminants. 

A new year may be upon us, but – unfortunately – some members of the oil and gas industry would prefer we roll back the clock on common sense, long-overdue emission standards for oil and gas equipment.

Oil and natural gas production continues to expand rapidly in the United States – and with it the potential for emissions of climate-destabilizing pollutants (especially methane), smog-forming compounds and carcinogenic substances, such as benzene.  We urgently need rigorous national standards that comprehensively address the full suite of pollutants from oil and gas facilities, protect public health and the environment and conserve needless waste of our nation’s natural resources. Read More »

Also posted in Climate Change, Environmental Protection Agency, Natural gas, Oil | Comments closed

2013 Texas Air Quality: Year In Review

Elena CraftAs we come to the end of another year, we look back on the progress that has been made to improve Texas’ air quality. Our work is especially important in Texas. Ozone pollution in the state’s largest cities routinely spikes above healthy levels, and Texas leads the nation in annual carbon emissions.

Throughout 2013, my fellow bloggers and I tracked the critical progress made towards cleaner air in Texas. Texas experienced a handful of victories and a handful of losses. To summarize the year, I’ll discuss a few of the areas where we made progress, and a few of the areas where there is still more work to do.

Progress Toward Smart Power and Clean Air

Over the past year, Texas wind power continued its promising positive trend, thanks in part to the state’s forward-looking decision to build new high-capacity electricity transmission lines linking the windy plains of West Texas with the state’s cities. The Competitive Renewable Energy Zone (CREZ) transmission project was approved by the state in 2008, and the new power lines are set to come online in a few weeks. The new power lines can carry 18,500 megawatts of electricity—enough to power millions of homes. The CREZ lines will help ensure Texas wind energy continues to expand, offsetting electricity produced from fossil-fuel power plants and reducing pollution. Read More »

Also posted in Air Pollution, Clean Car Standards, Climate Change, Dallas Fort-Worth, Environmental Protection Agency, Houston, Renewable Energy, Wind | Tagged , , , | Comments closed
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