Super Pollutants 101

June 13, 2013 in AltVox, Climate Change, Pollution

Super pollutants are one of the most underappreciated but dangerous contributors to climate change. Also known as short-lived climate pollutants, or forcers, super pollutants are potent noncarbon-dioxide global warming contaminants. They are also dangerous for human health and diminish agricultural productivity.

Reducing carbon dioxide—the primary greenhouse gas emitted from the burning of fossil fuels for energy and transportation—is necessary for achieving the long-term greenhouse reductions we need. However, it is impossible to achieve the total greenhouse gas reductions scientists agree are necessary for avoiding dangerous temperature increases without also limiting super pollutants. Not only are super pollutants shorter-lived, but they also remain in the atmosphere for a shorter time than carbon dioxide; therefore, reducing these pollutants now can help reduce temperatures in the near term. In addition, the reduction of super climate pollutants can be easier than the reduction of carbon dioxide since their major sources, unlike CO2, are not a byproduct of our primary sources of energy.

This background brief focuses on three super pollutants that are some of the largest contributors to global warming: methane, black carbon, and HFCs. It explains the sources of these pollutants, their prevalence, and why fast action to reduce them is imperative for protecting public health and avoiding the disastrous impacts of global warming.

Brief >

Delaware Activists Speak Out for Clean Air

June 6, 2013 in Pollution

By Sierra Club Compass

On Tuesday night, hundreds of Delaware residents near the Delaware City Refinery spoke out at a public hearing about the air permit for the facility as it plans to refine tar sands oil. Sierra Club Media Intern Kristen Elmore put together a great short video about the hearing.

PBF Energy Delaware City Refinery Title 5 Air Permit Hearing draft video from Kristen E on Vimeo.

Five Pieces of Rubbish Per Person on Australia’s Beaches

June 6, 2013 in Oceans, Pollution

There are more than five pieces of rubbish per person littering Australia's coastline, according to a national survey of the country's beaches, islands and coastal plateaus.

The 18-month project by CSIRO, which surveyed Australia's 35,000-kilometre coastline to measure marine debris and its impact on sea life, calculated 5.2 pieces of rubbish per person in Australia.

More >

Los Angeles Air Pollution Declining, Losing its Sting, Says New CIRES Study

June 5, 2013 in Pollution

Cooperative Institute for Research in Environmental Science (CIRES) News Release

The cleanup of California’s tailpipe emissions over the last few decades has not only reduced ozone pollution in the Los Angeles area. It has also altered the pollution chemistry in the atmosphere, making the eye-stinging “organic nitrate” component of air pollution plummet, according to a new study led by a scientist from NOAA’s Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder.

For the study, being published online in the Journal of Geophysical Research-Atmospheres, the scientists analyzed new data from research aircraft along with archived data going back a half-century to produce a comprehensive study of air pollution in the Los Angeles region.

“This is good news: LA’s air has lost a lot of its ‘sting,’ ” said lead author Ilana Pollack, a CIRES scientist who works at NOAA’s Earth System Research Laboratory in Boulder. “Our study shows exactly how that happened, and confirms that California’s policies to control emissions have worked as intended.”

Scientists have studied the origins and levels of air pollutants in the South Coast Air Basin – a region encompassing the Los Angeles urban area – for a long time. Since the 1960s, they have measured levels of ozone and other air pollutants that are formed in the atmosphere (so-called “secondary” pollutants) and the ingredients, or “precursors,” that form them: volatile organic compounds (VOCs) and nitrogen oxides (NOx). These precursors are directly emitted from various sources, primarily vehicle exhaust in LA but also from power-generating facilities, industry, and natural sources such as vegetation.

As studies began to identify the high levels of air pollution and its causes, policies and controls were implemented to restrict emissions of the NOx and VOC ingredients that result in ozone and other secondary air pollutants. Although the population in the Southern California region has tripled between 1960 and 2010, and the number of vehicles has increased by a similar factor, research studies have indicated that air pollution in the region has decreased – as a result of these policies.

To pin down the exact nature of the downward trends and the related changes in the chemistry causing the declining levels of pollutants, Pollack and her team examined new data from research aircraft and archived data from roadside monitors and ground-based instruments. In doing so, they generated a synthesis of information on ozone, other secondary pollutants and pollutant precursors from 1960 to 2010. This work included measurements of ozone and nitrogen oxides collected by Pollack and her colleagues over the South Coast Air Basin using instruments aboard NOAA’s P-3 research aircraft during a California-based mission in 2010.

The exhaustive approach paid off, and gave the scientists new insights into the changing chemistry of LA’s air.

“The emission reductions have ‘flipped’ some of the chemistry that takes place in the atmosphere,” said Pollack. “The relevant precursors in the atmosphere now favor chemical pathways that are more likely to produce nitric acid, and less likely to make ozone and peroxyacetyl nitrate (PAN).”

PAN is the organic nitrate compound historically associated with eye irritation (the “sting”) in Los Angeles smog.

“Compiling long-term trends in precursors and secondary products, then seeing all the data together on paper, really made changes in the chemistry stand out,” Pollack said.

The researchers’ analysis showed that emission control measures in Southern California have been effective. Although emissions of precursors have declined, motor vehicles remain the dominant source of emissions in Los Angeles.

Understanding the past and present chemistry in the atmosphere that creates air pollution is critical to being able to estimate how much pollution will be formed in future years, Pollack said. “To most people the big deal is that things have got a lot better,” Pollack said. “But as scientists we want to know how they have got better.”

The researchers hope that this new insight will provide useful information to the policy makers who will be crafting the next generation of policies aimed at improving air quality in the region.

“Our work aims to interpret the past and present observations, with an eye toward informing future decisions,” Pollack said.

###

CIRES is a joint institute of the National Oceanic and Atmospheric Administration and CU-Boulder.

CIRES scientist J.A. Neuman was a coauthor on the study. NOAA coauthors on the study were Thomas B. Ryerson, Michael Trainer, James M. Roberts and David D. Parrish. The authors work at the Chemical Sciences Division of NOAA’s Earth System Research Laboratory in Boulder, Colo. The Journal of Geophysical Research is a publication of the American Geophysical Union.

Contact:
Ilana Pollack, 303-497-5826,
ilana.pollack@noaa.gov
Jane Palmer, CIRES science writer, 303-492-6289,
Jane.Palmer@colorado.edu

The 4 Worst Sources of Pollution of Lakes and Streams

May 18, 2013 in Pollution

Three fourths of the surface of the earth is water, but only a small percentage of that is not salt water. Human beings and animals need water to live but every year more and more water of that water is becoming so polluted it can not sustain life.

A great deal of that pollution is occurring in the third world, and in developing nations like China and India. However, in the United States and even in Minnesota, our lakes and streams are threatened by man-made pollution.

More >

Independent Air Test at Mayflower Oil Spill Reveal 30 Toxic Chemicals at High Levels

April 30, 2013 in Pollution, Tar Sands

Health Symptoms Persist Despite Denials from Exxon and Agencies

Little Rock--A citizen based organization responding the recent Exxon Pegasus Pipeline rupture and tar sands oil spill discovered over twenty-five toxic chemicals in the first ambient air sample collected on March 30.

Community leader, April Lane, has been collecting health reports from residents since the pipeline rupture on March 29. Lane relayed that “even four weeks later, residents are still feeling symptoms from the chemical exposure. People have consistently talked about gastrointestinal problems, headaches, respiratory problems, skin irritation including chemical burns, and extreme fatigue.” These symptoms are consistent with exposure to the chemicals found in the independent air testing.

According to Dr. Neil Carman with the Lone Star Chapter of Sierra Club and former Texas Commission on Environmental Quality, “Thirty toxic hydrocarbons were measured above the detection limits. Each of the thirty hydrocarbons measured in the Mayflower release is a toxic chemical on its own and may pose a threat to human health depending on various exposure and individual factors. Total toxic hydrocarbons were detected at more than 88,000 parts per billion in the ambient air and present a complex airborne mixture or soup of toxic chemicals that residents may have been exposed to from the Mayflower tar sands bitumen spill.”

Response from Exxon, State & Local Officials

Lane is interviewing residents about their health effects and collecting air quality data because state agencies have not been proactive in informing residents of the possible health effects associated with this particular chemical mixture also known as Wabasca Heavy Crude oil. Wabasca Heavy Crude oil, as identified by Exxon, is heavy oil (bitumen) that is diluted with lighter hydrocarbons like Benzene to allow for easier flow through pipelines.

Lane is a student at the University of Central Arkansas and President of Environmental Alliance at UCA; she also works with the Faulkner County Citizens Advisory Group. FCCAG was trained last November by Global Community Monitor in Bucket Brigade air sampling techniques.

Lane’s initial air sample on March 30 detected over twenty-five toxic chemicals including cancer causing benzene and ethylbenzene. According to the Agency for Toxic Substances and Disease Registry, chemicals can have varying health effects depending on intensity and frequency of exposure. Short-term, high levels of exposure and long-term low level exposure to benzene and ethylbenzene have led to increased cancer rates. Many of the chemicals have developmental, neurological and reproductive health effects.

Chemical detected

Long term health effects

Short term health effects

Benzene

Cancer, possible reproductive and/or developmental effects

Breathing very high levels of benzene can result in death, while high levels can cause drowsiness, dizziness, rapid heart rate, headaches, tremors, confusion, and unconsciousness.

Ethylbenzene

Cancer and reproductive effects.

Exposure to high levels of ethylbenzene in air for short periods can cause eye and throat irritation. Exposure to higher levels can result in dizziness.

n-hexane

Damage to the nervous system, numbness in the extremities, muscular weakness, blurred vision, headache, and fatigue have been observed.

The only people known to have been affected by exposure to n-hexane use are at work. Breathing large amounts caused numbness in the feet and hands, followed by muscle weakness in the feet and lower legs. If removed from the exposure, the workers recovered in 6 months to a year.

Toluene

Breathing very high levels of toluene during pregnancy can result in children with birth defects and retard mental abilities, and growth. We do not know if toluene harms the unborn child if the mother is exposed to low levels of toluene during pregnancy.

Toluene may affect the nervous system. Low to moderate levels can cause tiredness, confusion, weakness, drunken-type actions, memory loss, nausea, loss of appetite, and hearing and color vision loss. These symptoms usually disappear when exposure is stopped. Inhaling High levels of toluene in a short time can make you feel light-headed, dizzy, or sleepy. It can also cause unconsciousness, and even death.

High levels of toluene may affect your kidneys.

Xylenes

Studies of unborn animals indicate that high concentrations of xylene may cause increased numbers of deaths, and delayed growth and development. In many instances, these same concentrations also cause damage to the mothers. We do not know if xylene harms the unborn child if the mother is exposed to low levels of xylene during pregnancy.

High levels of exposure for short or long periods can cause headaches, lack of muscle coordination, dizziness, confusion, and changes in one’s sense of balance. Exposure of people to high levels of xylene for short periods can also cause irritation of the skin, eyes, nose, and throat; difficulty in breathing; problems with the lungs; delayed reaction time; memory difficulties; stomach discomfort; and possibly changes in the liver and kidneys. It can cause unconsciousness and even death at very high levels.


Source: Agency for Toxic Substances & Disease Registry Tox Faqs and the US EPA Technology Transfer Network, Air Toxics Website

Hazardous air pollutants or HAPs detected include seven hydrocarbons identified as benzene, toluene, ethylbenzene, m,p-xylenes, o-xylene, hexane, and cumene. HAPs are regulated under the 1990 Federal Clean Air Act amendments as the most toxic of all known airborne chemicals.

The Bucket Brigade uses a certified laboratory capable of detecting VOC’s in the low level part per billion range because residential health safety levels are set in parts per billion, not parts per million. Air testing in the parts per million range is approved for worker-only exposures and not residential exposures where vulnerable populations like children, pregnant women, seniors and sick people may live.

Benzene vapors in the Mayflower sample were measured at 220 parts per billion by volume (ppbV), exceeding the Texas short-term effects screening levels (ESL) for benzene of 54 parts per billion (ppb) by four times. Many residents were exposed for several days and are still being exposed to crude remaining in the environment.

Global Community Monitor Bucket Brigade Trainer Ruth Breech commented, “The spill and response has been a disservice to the community. People are obviously suffering and experiencing health symptoms from chemical exposure related to the oil spill. State and Federal need to step up immediately to document and prevent any further health issues associated with the Exxon oil spill. Agencies need to share information in a manner to ensure informed decision making and enable access to necessary resources such as medical treatment for chemical exposure.”

In addition to exposure to these chemicals associated with the Wabasca Heavy Crude oil spill, residents have many questions about the cleanup operations and long-term exposure to chemicals.

On April 22nd, FCCAG held a Town Hall Meeting to discuss issues related to the oil spill. The goal of the event was to make a prioritized list of recommended actions and time frame for completion. Several presentations were given by Board Members of FCCAG, including the results of the Bucket Brigade air testing. Experts in oil spill pollution Dr. Wilma Subra and Dr. Riki Ott also presented an analysis of the available air, water, and soil data that has been collected by Exxon, EPA, and the state. These experts relayed their first-hand experiences while working on the Exxon Valdez oil spill and the BP disaster in the Gulf.

Over 100 people attended the all-day event that was held at the Faulkner County Natural Resource Center. The list of recommended actions has been hand-delivered to the Mayflower City Planning Committee. FCCAG will continue to work with the people of Mayflower and state and local officials to ensure the health and safety of the communities and ecosystems that are affected by this disaster.

Contact:
April Lane, Faulkner County Citizens Advisory Group, 501-538-7002
Ruth Breech, Global Community Monitor, 415-238-1766

Keystone XL: Oil Sands Health Concerns Rise Downstream Of Expanding Extraction

April 27, 2013 in Pollution, Tar Sands

Raymond Ladouceur remembers when he could dip a cup into the Athabasca River for a drink. He remembers when the trout and muskrats were plentiful -- and when his community was healthy.

Despite recent heart surgery, Ladouceur, 72, still fishes and traps, as he has his whole life at Big Point in Fort Chipewyan, Alberta. He snared his first fox at age 6 and recalled waddling home with the animal around his neck, its body dragging between his legs.

But times have changed, said Ladouceur, an elder with the Métis Canadian aboriginal people.

"Now, you can't drink water from the river. It's too dangerous," Ladouceur told The Huffington Post, taking a break from chopping wood. "We're seeing deformed fish, which I'd never seen in my whole entire years. And something in that water is killing the muskrats."

More >

13 Oil Spills in 30 Days

April 18, 2013 in AltVox, Oceans, Pollution

Environmental Emergency Declared in Peru

March 26, 2013 in Climate Change, Pollution

LIMA (AFP)- The Peruvian government declared an environmental emergency Pastaza River Basin, near the border with Ecuador and Argentina where Pluspetrol operates because of serious pollution by oil activities in the Amazon region, according to a decree published Monday by the official gazette.

The emergency, which will last 90 days, was approved to checked the 'serious situation' due to 'significant risk levels to the population by the high concentrations of chemical and microbiological elements that would be associated with oil and gas activity exceeding standards environmental'."

More >

Plastic Pollution: An Ocean Emergency

March 1, 2013 in Oceans, Pollution

The oceans have become one giant refuse bin for all manner of plastics. Environmental and health concerns associated with plastic pollution are a long recognised international problem (Carpenter & Smith 1972). Whilst approximately 10% of all solid waste is plastic (Heap 2009), up to 80% of the waste that accumulates on land, shorelines, the ocean surface, or seabed is plastic (Barnes et al. 2009).

Report >