(Beyond Pesticides, September 5, 2007) The Duval County School Board, along with other school districts in Florida, is preparing to change its schools’ pest control management strategies by making the use of pesticides on school grounds the last resort, rather than routinely spraying, by instituting an integrated pest management (IPM) program. The school board will vote on a $195,000 annual contract with Terminix for the IPM program that may cut the use of pesticides by half. This new measure is in response to calls to reduce pesticide use in schools, especially in light of recent studies that have shown that small children are vulnerable to the chemicals found in pesticides. Children face higher risks than adults from pesticide exposure due to their small size, tendency to place their hands close to their face, engaging in activities on or near the ground, greater intake of air and food relative to body weight, developing organ systems and other unique characteristic. Asthma, and other respiratory illnesses have been closely associated with pesticide exposure. Integrated Pest Management (IPM) is a program of prevention, monitoring and control. It offers the opportunity to eliminate or drastically reduce pesticide use in schools and to minimize the toxicity […]

(Beyond Pesticides, September 4, 2007) Scientists identified an important biochemical piece in the passage of malaria from mosquitoes to humans. If this link in the chain can be broken at its source””the mosquito””then the spread of malaria could be stopped without the use of harmful pesticides or costly drugs. “Mosquito Heparan Sulfate and Its Potential Role in Malaria Infection and Transmission,” published in the August 31 issue of the Journal of Biological Chemistry, contains the findings of the interdisciplinary team led by researchers from Rensselaer Polytechnic Institute. The research group found that humans and the mosquitoes that carry the malaria parasite Plasmodium share the same complex carbohydrate, heparan sulfate. In both humans and mosquitoes, heparan sulfate is a receptor for the Plasmodium, binding to the parasite and giving it quick and easy transport through the body. Robert J. Linhardt, Ph.D., professor of Biocatalysis and Metabolic Engineering at Rensselaer, led the team. “The discovery allows us to think differently about preventing the disease. If we can stop heparan sulfate from binding to the parasite in mosquitoes, we will not just be treating the disease, we will be stopping its spread completely,” Dr. Linhardt said. Malaria parasites are specific to their host, […]

(Beyond Pesticides, August 31, 2007) According the results of a survey by Mambo Sprouts research services released August 20, 2007, consumers are torn between buying local and buying organic food, but in the end want both. The results show that 36.1% of natural product consumers said they would choose local produce over organic items, while another 33.3% indicated the opposite. The remaining respondents said they were unsure which to choose, but overall, consumers reported a preference for food that was both local and organic. Respondent comments reflected three distinct motivators for purchasing locally grown food: 1) better for the environment and sustainability due to reduced environmental impact of transporting food, 2) a belief that much local produce is fresher and healthier — even if not certified organic, and 3) a general mistrust or confusion regarding organic food labeling. “This survey revealed that consumers are definitely looking for more clarity and definition in organic product classifications,” says Matthew A. Saline, CEO of Mambo Sprouts Marketing, a multi-faceted direct marketing company that operates exclusively in the health, natural and organic products arena. Regarding the USDA Organic seal, 46.7% of respondents thought it indicated 100% organic contents, 24.8% thought it meant at least […]

(Beyond Pesticides, August 30, 2007) Vetiver grass, a species native to India, may provide protection against two plagues facing recovery in New Orleans: termite infestations and floods, according to Dr. Gregg Henderson, Ph.D. Already known for its effectiveness in erosion and sediment control, vetiver is both a repellent and toxicant to termites, which cause an estimated $5 billion in structural damage per year in the U.S. The plant is highly tolerant to extreme soil conditions, which, along with its deep roots, make it ideal for rehabilitation of contaminated lands and holding soil together on hillsides and contours. However, Dr. Henderson, an urban entomologist with Louisiana State University’s AgCenter, is interested in what is inside vetiver’s roots, namely the chemical responsible for turning away termites, as well as cockroaches, ants, ticks, weevils, nematodes, mole crickets, and other insects. His research team isolated several compounds from vetiver oils and determined that a chemical called nootkatone, is a repellent for Formosan subterranean termites. Dr. Henderson has been studying Formosan termites for years and is a strong advocate for taking advantage of the chemicals in vetiver grass to control the termites in many locations. Throughout the world, termites have caused problems on levees by […]

(Beyond Pesticides, August 29, 2007) Entomologists have recently begun studying whether increasing temperatures will attract more insects to the New England region, as scientists have begun reporting the appearance of new and more numerous unwanted insects. The colder winters of the New England region have historically limited insect populations, but in recent years as temperatures have warmed, the amount and variety of pests have increased. According to the government’s U.S. Global Change Research Program, in its New England Regional Assessment of the Potential Consequences of Climate Variability and Change, “A warming New England region (especially warming winters) will support the introduction and expansion of exotic pests into the region.” Although scientists cannot definitively say that there is a relationship between increasing temperatures in the region and an increase in the number of insects, Vermont entomologist Jon Turmel, points out that ticks carrying lyme disease, as well as mosquitoes with West Nile virus (WNv) and encephalitis have been reported in the state. The Aedes japonicus, an Asian mosquito species, was first reported in Vermont five years ago. These mosquitoes can spread Japanese and St. Louis encephalitis, which are viral brain infections that can result in death, along with WNv. Reported cases […]

(Beyond Pesticides, August 28, 2007) In a new study published in the August 2007 issue of the Scandinavian Journal of Work, Environment and Health (Vol. 33, No. 4), researchers from the Central American Institute for Studies on Toxic Substances (IRET) in Costa Rica find parental exposure to pesticides linked to the increased risk of leukemia. IRET researchers, based at the National University of Costa Rica in Heredia, identified cases of childhood leukemia (N=334), in 1995-2000, on the Cancer Registry and the Children’s Hospital. Population controls (N=579) were drawn from the National Birth Registry. Interviews of parents were conducted using conventional and icon-based calendar forms. An exposure model was constructed for 25 pesticides in five time periods. Mothers’ exposures to any pesticides during the year before conception and during the first and second trimesters are associated with the risk [odds ratio (OR) 2.4, 95% confidence interval (95% CI) 1.0-5.9; OR 2.2, 95% CI 2.8-171.5; OR 4.5, 95% CI 1.4-14.7, respectively] and during anytime (OR 2.2, 95% CI 1.0-4.8). An association is found for fathers’ exposures to any pesticides during the second trimester (OR 1.5, 95% CI 1.0-2.3). An increased risk with respect to organophosphates is found for mothers during the first […]

(Beyond Pesticides, August 27, 2007) Santa Clara County agriculture officials are hopeful that “mating disruption technology” – not pesticides – will eradicate the light brown apple moth, a tiny invasive pest that has been found in several areas of the county and is a threat to crops and plants. Eight-inch “twist-tie” dispensers, which contain an odorless, synthetic pheromone, have been placed on plants and objects such as fence posts in the area immediately around where a moth was found last month in the Santa Teresa area of San Jose. In addition, it’s likely that a new quarantine area will be established in the Alum Rock area of San Jose, where a single moth was found recently. Since late February, the moth – native to Australia but established in Hawaii, New Zealand and Great Britain, among other places – has been identified in 11 California counties. More than 40,000 traps have been placed in the affected counties. The California Department of Food and Agriculture (CDFA) has posted maps of all the quarantine areas on its Web site and is urging residents in the affected areas to not remove plant materials from their homes. Instead people should dispose of green waste in […]

(Beyond Pesticides, August 24, 2007) The Wisconsin Natural Resources Defense Board recently passed stricter limits on allowable groundwater levels of alachlor-ESA, the breakdown product of the herbicide alachlor, cutting in half the standard to 20 parts per billion (ppb). The reduction from the previous standard of 40 ppb was prompted by the state Department of Natural Resources (DNR), which has tried to pass a similar measure in recent years, only to be blocked by the Republican-controlled Senate. Officials hope that a Democratic majority will ensure adoption of the new standard. The board voted 7-0 in favor of lowering the allowable groundwater level of alachlor-ESA, after DNR cited studies showing the chemical causes blood problems in rats. Department of Agriculture, Trade & Consumer Protection (DATCP) tests in 2001 showed alachlor-ESA in 28 percent of private wells tested, in spite of its declining use (on less than a quarter of the state’s 100,000 acres of corn). A similar proposal was rejected by the board in 2005, when DNR refused to agree to the Joint Committee for Review of Administrative Rules’ request to allow Monsanto, manufacturer of alachlor, to fund a separate study in addition to the state’s data. Monsanto, as expected, issued […]

(Beyond Pesticides, August 23, 2007) With the joint release on July 31, 2007 of Principles for the Oversight of Nanotechnologies and Nanomaterials, a broad international coalition of 40 consumer, public health, environmental, and labor organizations called for strong, comprehensive oversight of the new technology and its products, citing risks to the public, workers and the environment. The manufacture of products using nanotechnology—a powerful platform for manipulating matter at the level of atoms and molecules in order to alter properties—has exploded in recent years. Hundreds of consumer products incorporating nanomaterials are now on the market, including cosmetics, sunscreens, sporting goods, clothing, electronics, baby and infant products, and food and food packaging. But evidence indicates that current nanomaterials can pose significant health, safety, and environmental hazards. In addition, the profound social, economic, and ethical challenges posed by nano-scale technologies have yet to be addressed. As Yoke Ling of the Third World Network explained, “Materials engineered to the nano-scale can exhibit fundamentally different properties—including toxicity—with unknown effects. Current research raises red flags that demand precautionary action and further study.” She added, “As there are now hundreds of products containing nanomaterials in commerce, the public, workers, and the environment are being exposed to these […]

(Beyond Pesticides, August 22, 2007) At least one farm in Sacramento, California, has been contaminated with aerial spraying of pesticides to control mosquitoes that may carry the West Nile virus (WNv). This claim is verified by lab results released Monday, which were carried out by an independent lab commissioned by a group against aerial spraying. Insecticides were sprayed across 55,000 acres north of the American River from July 30 to August 1. At least one organic farm in Citrus Heights was covered with the chemicals. Organic food is supposed to be grown without relying on synthetic chemical pesticides. Organic farmers are required by the National Organic Standards to prevent contamination of crops, soil, or water by plant and animal nutrients, pathogenic organisms, heavy metals, or residues of prohibited substances. “The district’s spray-everything attitude put my business and health at risk,” organic farmer Steven Zien said in a statement. The area is home to 375,000 residents and many are angry as well as concerned about possible health effects. Pesticides most commonly used across the country for mosquito control are neurotoxic and have been linked to cancer and other illnesses. Given the limited efficacy of adulticidal sprays (pesticides meant to target adult […]

(Beyond Pesticides, August 21, 2007) Last week, The Cornucopia Institute announced that Aurora Organic Dairy, one of the largest organic dairies in the United States, could soon lose its organic certification. Based on a private investigation as well as United States Department of Agriculture (USDA) documents, Cornucopia claims the industry giant does not comply with organic regulations regarding pasture grazing and cattle procurement. Aurora has 12,000 milking cows on five farms in Colorado and Texas. The company claims that the cows have access to 5,700 acres of organic pasture land across those farms, and that all cows graze for at least 120 days per year. Among the brands Aurora supplies organic dairy products for are Target, Wal-Mart, Costco, Safeway, Wild Oats, Trader Joes, and other grocery chains. According to Cornucopia’s senior farm policy analyst Mark Kastel, “After personally inspecting some of Aurora’s dairies in Texas and Colorado, we found 98 percent of their cattle in feedlots instead of grazing on pasture as the law requires.” While USDA’s investigation is ongoing, Cornucopia expects to hear of other missteps. “Our sources tell us that the USDA’s investigators found many other violations when conducting their probe of Aurora,” said Mr. Kastel. Cornucopia’s original […]

(Beyond Pesticides, August 20, 2007) Environmental groups launched a public campaign last Wednesday to urge state officials to stop applying toxic herbicides for vegetation control along state roadways. Members of the Massachusetts Coalition for Pesticide Reduction maintain that herbicides, which the state resumed using in 2003, are harmful to people and the environment. Sylvia Broude, community organizer for Toxics Action Center, said toxic chemicals such as the ones the Highway Department uses can harm more than just the intended target. The chemicals can run off highways, pollute drinking water and eventually lead to health problems in humans, ranging from eye problems and learning disabilities to some forms of cancer, she said. The group is asking the state to use organic herbicides or manual means, such as weed whackers or lawnmowers, which the state used exclusively in the early 2000s. But state officials say affected areas are in small, controlled environments. The Highway Department says that it removes unwanted bushes and weeds manually or mechanically on the vast majority of the 48,200 acres it maintains but needs the herbicides for about 188 acres, less than half of 1 percent of the total. Spokesman John Lamontagne said removing weeds mechanically in some […]

(Beyond Pesticides, August 17, 2007) The widespread presence of pesticides and other agricultural runoff has been confirmed in the world’s largest coral reef system. Degradation of the system threatens not only a natural treasure but also the region’s economy. Australia’s Great Barrier Reef is the subject of a recent report by the Great Barrier Reef Marine Park Authority. Entitled the “Annual Marine Monitoring Report 2006,” the study confirms extensive contamination in eight of the ten major tributaries into the marine park, much of which is fertilizer and pesticide runoff from the area’s farmland. Local environmental groups are calling for government protection of the reef from these pollutants, and tourism interests worry that damage to the reef will reduce the number of visitors to Australia. According to World Wildlife Foundation-Australia program leader Nick Heath, “Reducing pollution load is possible and will help us save the Reef, as well as the 60,000 tourism jobs based around the Reef.” According to the report, “Water quality in the Great Barrier Reef is principally affected by land-based activities in its adjacent catchments, including vegetation modification, grazing, agriculture, urban development, industrial development and aquaculture. Nutrients, sediments and pesticides are the pollutants of most concern for the […]

(Beyond Pesticides, August 16, 2007) The Environmental Protection Agency’s (EPA) recent decision not to go through with a Special Review of 2,4-D’s carcinogenic properties is being touted by industry as the final word that the toxic chemical “has been found to have no human carcinogenic effects,” despite significant evidence to the contrary. The Special Review has been cancelled after an industry task force poured millions of dollars into industry funded research and a public relations campaign. The pesticide 2,4-D, or 2,4-Dichlorophenoxyacetic acid, was first slated by EPA for Special Review in 1986. A few years later in a unique move, several large pesticides companies with a common interest in keeping 2,4-D on the market formed the Industry Task Force II on 2,4-D Research Data. Since then, the task force reports it has funded nearly $30 million in new research on the chemical. Industry funded research is often biased and influential in the regulatory process. The results are reported to EPA, which provides a large portion of the data the agency relies on in order to make decisions under an inadequate risk assessment review process. The task force is currently comprised of the major pesticide producers Dow AgroSciences (U.S.), Nufarm Ltd. […]

(Beyond Pesticides, August 15, 2007) As the popularity and demand for organic food has and continues to increase, so too is the popularity of organic lawn care, as an increasing number of people are seeking out alternatives to conventional lawn chemicals. Organic products are making inroads into the $35 billion lawn- and garden-care industry, which for years has been focusing on chemically-intensive methods. The growing demand for organic land care is coming from all sectors: homeowners, municipal park managers, and business professionals alike. A 2005 survey of 2,000 adults by the Natural Marketing Institute found 20 percent of consumers had bought some kind of environmentally friendly lawn-and-garden product. According to CNN, market researchers Freedonia Group estimate a 10 percent annual growth for the organic fertilizer market, twice the projected growth for all lawn and garden goods. Taking the organic route may be more work and pricier initially, but the payoff will be a yard that costs less in the long-term to care for, is safer for the environment and handles stresses such as drought. Additionally, as more people switch to organic lawn care, the costs will keep coming down, and the techniques will be further refined. With more pesticides and […]

(Beyond Pesticides, August 14, 2007) In an August 8, 2007 Federal Register Notice (72 FR 44510-44511), the Environmental Protection Agency (EPA) announced its decision to not initiate a Special Review for the commonly used herbicide 2,4-D, as well as the related herbicides 2,4-DB and 2,4-DP (dichlorprop). Despite evidence to the contrary, according to the FR notice, “Based on extensive scientific review of many epidemiology and animal studies, EPA find that the weight of the evidence does not support a conclusion that 2,4-D, 2,4-DB and 2,4-DP are likely human carcinogens.” Although a mounting body of evidence links 2,4-D to various cancers, particularly non-Hodgkin’s lymphoma, EPA has been reluctant to classify it as a carcinogen in the face of industry pressure. EPA lists the herbicide in class D for carcinogenicity. Chemicals in this class are considered to have inadequate evidence for carcinogenicity, or not enough data is available. However, the link between 2,4-D and non-Hodgkin’s lymphoma has been demonstrated in the United States, Italy, Canada, Denmark, and Sweden. A 1986 National Cancer Institute (NCI) study found that farmers in Kansas exposed to 2,4-D for 20 or more days per year had a six-fold higher risk of developing non-Hodgkin’s lymphoma than non-farmers. The […]

(Beyond Pesticides, August 13, 2007) Greenland sharks, which inhabit some of the least populated regions on Earth in seemingly pristine Arctic waters, contain high amounts of human-manufactured industrial waste in their bodies, including toxic pesticide byproducts. The findings are available online in Marine Pollution Bulletin (in press), entitled “Dioxins and PCBs in Greenland shark (Somniosus microcephalus) from the North-East Atlantic.” According to the team of researchers at Stockholm University, the highest measured concentration found is for the world’s most toxic dioxin, TCDD, a compound found in the herbicide Agent Orange, which the U.S. military used during the Vietnam War. The herbicide was used for other applications from 1961 to 1971. The study also names another set of discontinued chemicals, polychlorinated biphenyls, or PCBs, as the main source of the contaminants found in the Greenland sharks. PCBs were banned in the 1970s, which illustrates how persistent such compounds are in the environment and how long-living, top predator species may carry them for decades. Project leader Dr. Åke Bergman, Ph.D., an environmental chemist at Stockholm University, told Discovery News that he and his team decided to focus on Greenland sharks since their normal lifespan may exceed 100 years, based on an annual […]

(Beyond Pesticides, August 10, 2007) As the face of agriculture in America changes with rising prevalence of herbicide-tolerant crops, farmers in Mississippi and Arkansas are also facing challenges caused by increased herbicide resistance. A recent press release by the Delta Research and Extension Center (DREC) blames glyphosate-resistant weeds for increased costs in Mississippi, while a leading British researcher will work with the University of Arkansas Cooperative Extension Service to determine the impact that the same weeds will have on farming in Arkansas. According to DREC’s release, a “concern for agricultural production in the Mississippi Delta is the increase of weeds resistant to the herbicide glyphosate . . . DREC rice weed scientist Jason Bond said that both glyphosate-resistant horseweed and volunteer Roundup Ready soybeans have become problem weeds for Mississippi rice production.” Research associate Tom Eubank also said, “Glyphosate-resistant horseweed, ryegrass and pigweed are concerns in Mississippi Delta soybeans.” Meanwhile, Arkansas farmers are noticing a similar trend: the increased use of glyphosate on Monsanto’s “Roundup Ready” crops is leading them to map the future of herbicide-resistant weeds and consider alternative weed management programs. According to the High Plains/Midwest Agricultural Journal, “researchers believe that if pigweed, or Plamer amaranth, can’t be […]

(Beyond Pesticides, August 9, 2007) China reports it is cracking down on the use of recently banned pesticides and is taking additional actions in an effort to counter concerns about the country’s food safety. The major exporter has been the subject of frequent reports of contaminated products, including several foods imported by the U.S. Reuters reports that according to a new poll, U.S. consumers are extremely wary of products made in China, and nearly two-thirds said they would support a boycott of Chinese goods. In reaction to the potential loss of export markets and the upcoming Beijing Olympics, China says it will spend more than $1 billion improving food and drug safety over the next three years. The Chinese government will specifically launch a campaign to crack down on the use of banned pesticides that are still being manufactured and remain in use. The campaign is in response to news reports that “a dozen or so” pesticide producers were still making highly poisonous pesticides such as methylamine and phosphamidon. Prior to the recent ban, 1,500 pesticide manufacturers, approximately half of the industry, produced the chemicals. However, pesticides that are still approved for use in China are also raising concerns as […]

(Beyond Pesticides, August 8, 2007) For the first time, the World Health Organization (WHO) released a report in July on children’s heightened vulnerability to chemical exposures at different periods of their growth and development. The organization cites over 30% of the global burden of disease in children can be attributed to environmental factors, including pesticides. The report, Principles for Evaluating Health Risks in Children Associated with Exposure to Chemicals, is a new volume of the WHO’s Environmental Health Criteria series. It highlights the fact that for children, the stage of their development when chemical exposure occurs may be just as important as the magnitude of the exposure. In respect to pesticides, the report cites several studies that tie pesticide exposure during key periods of development to neurobehavioral problems, Parkinson’s disease, and immunotoxicity, including respiratory diseases. “Children are not just small adults,” said Dr. Terri Damstra, Ph.D., WHO’s team leader for the Interregional Research Unit, in WHO’s press release. “Children are especially vulnerable and respond differently from adults when exposed to environmental factors, and this response may differ according to the different periods of development they are going through.” Air and water contaminants, pesticides in food, lead in soil, as well […]

(Beyond Pesticides, August 7, 2007) In a study that examines the influence of age of exposure on the magnitude of the association between DDT and breast cancer risk finds that women who were exposed to DDT before the age of 14 are five times more likely to develop breast cancer later in life. In contrast, the study finds exposure after adolescence does not increase risk. The data used in the study targets the age of a woman in 1945 as an indicator for the youngest possible age for a woman to be exposed to DDT, since DDT was first introduced to the U.S. for mosquito control in 1945. The researchers, from the Center for Research on Women’s and Children’s Health, Public Health Institute at Berkeley, California and the Mount Sinai School of Medicine, analyzed blood that had been collected from women between 1959 and 1967 – years during which the use of DDT was at its highest. “DDT and breast cancer in young women: New data on the significance of age at exposure,” published last week in the online edition of the journal Environmental Health Perspectives, is “the first study specifically designed, a priori, to consider whether age at exposure […]

(Beyond Pesticides, August 6, 2007) On July 20, 2007 the U.S. House of Representatives passed the Farm, Nutrition and Energy Act of 2007 (H.R. 2419), commonly known as the Farm Bill, on a vote of 231-191, with 10 Representatives not voting. The vote fell generally along party lines with 19 Republicans (just six from the Agriculture Committee) voting for the bill, despite opposition from Republican leadership, the threat of a Presidential veto, and 14 Democrats voting against it. Organic and sustainable agriculture groups are giving the 2007 Farm Bill a mixed review. While taking several steps forward by increasing funding for programs that support the next generation of farmers and new marketing options for organic, sustainable producers, the bill as a whole moves in reverse with substantial weakening of current commodity and conservation payment limitations and a 30 percent funding cut for the Conservation Security Program. The National Organic Coalition (NOC), which includes the Rural Advancement Fund International, Center for Food Safety, Beyond Pesticides and others, developed a list of priorities for the Farm Bill. View a full analysis of the NOC requests adopted and rejected by the House Agriculture Committee. The Sustainable Agriculture Coalition reports that the Farm Bill […]

(Beyond Pesticides, August 3, 2007) Maine is no longer the only state to prohibit the use of genetically altered corn. Despite concern from the organic farming community, Maine joined the rest of the nation last Friday when the Board of Pesticide Control (BPC) ruled to allow Bacillus thuringiensis (Bt) corn to be grown and sold in the state of Maine. With the aim of reducing the use of hazardous pesticides, the BPC registered Bt corn products from Dow AgroSciences, Pioneer Hi-Bred International and Monsanto to be grown for animal feed. Bt corn is genetically modified to produce its own pesticide, a naturally occurring toxin that protects against a combination of insects. Organic growers caution that overuse of the crop will lead to insect resistance to the Bt toxin, which is widely sprayed on organic crops. “I think it might very well be a short-term solution and farmers will be forced to use more pesticides in the future,” said Board member Lee Humphreys, a market gardener. She warned that there are too many unknowns about the genetically modified corn, such as its long-term effect on the soil and in creating resistant bugs. In addition, the safety of consuming milk and beef […]