Environmental Degradation Takes a Heavy Toll on Women and Children’s Health

By César Chelala
February 18, 2016 2:08 pm Last Updated: February 22, 2016 4:02 pm
A young boy carefully walks on a thin board across a heavily polluted stream and trash dump outside his family's old courtyard house in Beijing on Feb. 16, 2000. Experts at China Geological Survey, a state-led research institute, said at a conference in 2010 that 90% of China's underground water sources are polluted to one degree or another, while 60% are seriously polluted. (Stephen Shaver/AFP/Getty Images)

In 1975, at the Mexico City First World Conference on Women, Vandana Shiva, the Indian scholar and environmental activist, introduced the issue of women’s relationship to the environment. At the time, concern was raised about the depletion of forestry resources and women’s role in agriculture, and a connection was made between the impact environmental development had on women.

Over the past several decades, demand for resources and industrial processes have been responsible for increasing levels of pollution and for the degradation of air, water, and land. In addition to unrestricted exploitation of natural resources, unsound agricultural practices have had devastating effects on the environment and on people’s health and quality of life. Women and children have been primarily affected.

Unrestricted exploitation of natural resources and unsound agricultural practices have had devastating effects on the environment and on people’s health and quality of life.

Women, especially those who are pregnant and/or living in rural or marginal suburban areas in developing countries, are particularly susceptible to environmental threats. Until recently, women had few choices regarding their lifestyle and fewer opportunities to change unsatisfactory domestic or work conditions and improve their families’ and their own health.

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Women are susceptible to health problems and hazards because of their roles as home-managers, economic providers, and their role in reproduction. The reproductive system of pregnant women is especially vulnerable to environmental contaminants. Every step in the reproductive process can be altered by toxic substances in the environment. These toxic substances may increase the risk of abortion, birth defects, fetal growth retardation, and perinatal death.

The reproductive system of pregnant women is especially vulnerable to environmental contaminants.

The developing fetus is susceptible to environmental factors when the mother is exposed to toxic substances in the workplace. Furthermore, because fetal nutrition is entirely dependent on the mother, the factors that affect maternal nutrition and maternal health also affect the fetus. For example, nutritional deficiencies in the mothers (such as lack of vitamins or minerals) can increase the proportion of low-birth babies, who are at greater risk of dying during infancy.

The exposure of pregnant women to physical and chemical contaminants can affect intrauterine development. Although the placenta is an effective barrier against many substances, some toxic chemicals can pass through the placenta and enter the blood of the fetus, sometimes reaching higher concentrations than in the mother. Some of these substances can even affect the fetus but not the mother.

A vast expanse of toxic waste fills the tailings dam on April 21, 2011, frequently whipped up by strong winds dumping millions of tons of radioactive materials toward surounding villages where farmers blame producers of rare earths and major iron ore mine and steel producers for poisoning their fields and ruining their livelihoods near Baotou City in Inner Mongolia, northwest China. Farmers living near the tailings dam, a 10-square-kilometer expanse of toxic waste, say they have lost teeth and their hair has turned white while tests show the soil and water contain high levels of cancer-causing radioactive materials. China produces more than 95% of the world's rare earths—17 elements used to make things like iPods, flat-screen televisions and electric cars, two-thirds of which are processed in mineral-rich Baotou on the edge of the Gobi desert. Environmental groups have long criticised rare earths mining for spewing toxic chemicals and radioactive thorium and uranium into the air, water and soil, which can cause cancer and birth defects among residents and animals. (Frederic J. Brown/AFP/Getty Images)
An expanse, about 4-square-miles, of radioactive waste outside Baotou City, in northern China, on April 21, 2011. Strong winds whip up the cancer-causing materials dumped by producers of rare-earth minerals, iron ore, and steel, poisoning surrounding villages and farms. China’s Ministry of Environmental Protection admitted that there are at least 450 pollution-related “cancer villages” in the country. (Frederic J. Brown/AFP/Getty Images)

Fetal sensitivity to different substances varies with the gestational age. In the first two weeks after conception, the embryo can be fatally damaged by toxic substances such as benzene, lead, or methyl mercury. Exposure to toxic substances between the third and ninth week of pregnancy can lead to severe malformations of the fetal organs, which at this stage have begun to develop. At least 3 percent of babies are born with birth defects, 10 to 15 percent of which are caused by exposure to environmental factors such as chemicals, radiation, viruses, and drugs.

At least 3 percent of babies are born with birth defects, 10–15 percent of which are caused by exposure to environmental factors.

The exposure of pregnant women to high doses of radiation can also have serious consequences for the fetus, particularly when the exposure occurs between the eighth and fifteenth week of pregnancy. During this period, the cerebral cortex is developing and it is particularly vulnerable to factors of this kind, which can cause severe mental retardation.

Children are even more susceptible than adults to environmental contamination because they are in the process of development, and their immune systems and detoxification mechanisms have not reached their full potential. As a result, toxic agents in food, air, and water have a more serious effect. Children absorb more pesticides, and reach a higher concentration of some toxic agents than adults. Children also lack the experience and knowledge needed to recognize some situations as potentially harmful.

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The quality of the environment will determine to a great extent whether a child will survive its first year of life and how well he or she will develop. To show the importance of the quality of the environment during the child’s first months of life, it has been shown that in populations that live in a clean environment, free of toxic environmental influences, only one in 100 children dies before its first birthday. However, in poor communities lacking basic health services and where the community is easily exposed to harmful environmental factors, as many as one in every two children may die before the age of 1.

Women in local organizations have firsthand knowledge of the effect of environmental degradation in their communities. Through their work in their communities and with the media, women can provide practical examples of environmental abuse, and help raise awareness that can lead to more effective political action.

César Chelala, M.D., Ph.D., is a global public health consultant for several U.N. and other international agencies. He has carried out health-related missions in 50 countries worldwide. He lives in New York and writes extensively on human rights and foreign policy issues, and is the recipient of awards from Overseas Press Club of America, ADEPA, and Chaski, and recently received the Cedar of Lebanon Gold Medal. He is also the author of several U.N. official publications on health issues.

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