Harmful chemicals as a children’s rights problem
Prevalence of harmful chemicals
Every day, thousands of the chemicals used in manufacturing and sometimes ending up in the final products have hazardous properties, presenting immediate dangers to health as well as persistent risks through their accumulation and persistence in the environment, notably in water. 30 Chemicals can also affect ecosystems, harming aquatic life directly and even causing endocrine disorders in the wider ecology. 31
In the EU, the European Environmental Agency (EEA) estimated that around 100,000 synthetic chemicals were on the market in 2019.32 Of these, only 500 have been extensively characterised for their hazards and exposures, while the effects of a further 70,000 remain poorly understood.33
One example of fast-evolving knowledge on hazardous substances is endocrine disrupting chemicals (EDCs). 34 EDCs can mimic, block, or interfere with hormones, leading to severe health issues, particularly for children, impairing their development, causing brain damage, and increasing the risk of cancers, obesity, and cardiovascular diseases. 35 800 substances are known or suspected to be EDCs. Many are present in common consumer products, including food-contact materials, toys, cosmetics, hygiene products, and pesticides. Some estimates place the number of EDCs on the EU market at over 1,000, with more substances joining the list annually. 36
A European Parliament discussion paper encourages decision-makers to “adopt precautionary measures when scientific evidence about an environmental or human health hazard is uncertain and the stakes are high”. 37 In a similar vein, the former UN Special Rapporteur on toxics and human rights Baskut Tuncak argued that “the best interests of the child are best served by preventing exposure to toxic chemicals and pollution, and taking precautionary measures with respect to those substances whose risks are not well understood”. 38
A disproportionate impact on children
All humans are vulnerable to the effects of exposure to hazardous chemicals, but children are more susceptible than adults on account of their smaller bodies and particular behavioural habits.39 Children play on the ground and in watercourses. They explore the world through touch and taste.40 Children may be exposed to higher intake than adults, as they for instance breathe more often per minute.41 They also consume more food and water relative to their body weight, absorb substances more readily, and are less able to excrete them afterwards through their underdeveloped organs, particularly the liver and kidneys. On account of their age, children are also less able to evaluate and react to the risks, for instance reading labels and adopting protective behaviours. As children are exposed to hazardous chemicals in multiple ways, the cocktail of substances can combine to amplify harm to health while reciprocally degrading natural resilience and extending vulnerability to further exposure.42
The science clearly shows that environmental exposure in early life can play a pivotal and irreversible role in children’s health right into adulthood and even carry over to succeeding generations.43 Harmful impacts include childhood cancers,44 IQ loss,45 asthma,46 diabetes,47 obesity,48 and disruption in bone development.49
Contamination can also occur before birth, as children can be born “pre-polluted” due to their exposure during foetal development.50 This can lead to irreversible effects.51 As mentioned by University of Florida’s Senior Program Scientist Theo Colborn, “the development of each stage of life is fully under the control of hormones. Changes that happen during development are far less reversible [than those occurring in an adult]; you can't go back and rewire the brain.”52
In addition to harming children’s health directly, ecological degradation caused by harmful substances jeopardises food security and long-term economic prospects of millions of children around the world, including across the EU.53 It also contributes to biodiversity loss.54 For instance, flame retardants, as environmentally persistent chemicals with serious health effects,55 have been linked to contamination of more than 100 species, including endangered species such as killer whales, northern sea otters, red pandas, and chimpanzees. This group of chemicals may even be responsible in part for population declines in some of those species.56 These ecological harms feed back to amplify the impact on children, by depleting the ecosystem on which their families depend for food and work.57
A significant indirect harm of hazardous chemicals lies in the financial burden they leave with children’s families. In 2015, for example, a series of studies estimated that exposure to EDCs in the EU was likely costing €157 billion ($209 billion) annually in health care expenses and lost earning potential.58 Families, healthcare facilities, and local authorities have been footing the bill when the burden should be carried by businesses, in line with the “polluter pays” principle.59
Compounded harm to marginalised children
Freedom from discrimination: Principle versus practice
The UNCRC (Article 2), European Convention on Human Rights (ECHR) (Article 14), and EU Charter on Fundamental Rights (Article 21) all prohibit discrimination unequivocally. The Charter also guarantees equality before the law (Article 20).
The EU Strategy on the Rights of the Child, adopted in 2021, further recognises that “every child in Europe and across the world should enjoy the same rights and live free from discrimination and intimidation of any kind”, while accurately stressing that children continue to suffer from socioeconomic exclusion and discrimination.
In contrast to these legal standards, children in marginalised groups in the EU and globally experience continuous, discriminatory exposure to hazardous chemicals. They suffer a disproportionate impact also: while weaker regulations in poorer countries allow toxicity to persist and accumulate where children live, learn and play, poorer health associated with economic deprivation reduces resilience, particularly when children are malnourished. 92% of pollution-related deaths occur in low- and middle-income countries (LMICs).60 The EU Chemicals Strategy itself warns that chemical pollution is recognised to be a threat to the right to a life with dignity, notably for children, and in particular in LMICs.61
A review paper from the United States, published in 2023, is instructive.62 Drawing on more than 200 studies, it analysed “disparities in toxic chemical exposures and associated neurodevelopmental outcomes”. It found that racial and ethnic minority and low-income children are disproportionately harmed by exposure to neurotoxicants: substances that interfere with normal function or compromise adaptation in the nervous system. Emphasising an association between racial inequities, environmental exposures, and illnesses, the review concluded that effective actions must include measures to reduce structural inequities.
As the situation stands, decades and even centuries of colonialism, imperialism, wealth hoarding, systemic discrimination, and corruption have led to a small percentage of communities worldwide owning most of the resources. Environmental and health crises, including climate change and pandemics, further entrench discrimination against marginalised children, exacerbating vulnerability further.
Europe is similarly affected by patterns of discrimination and oppression. Many children on the continent are severely affected by chemical pollution, such as those in farming families or living near chemical plants, who may already be socio-economically marginalised and thus less able in general to avoid the hazards, cope with them, obtain suitable health support, or access avenues for redress. 63 In 2016, Baskut Tuncak stressed that “children who live in or around locations of widespread pollution or contamination may [also] be subject to painful harassment and discrimination”.64
Children in “sacrifice zones”
The UN Special Rapporteur on human rights and the environment David Boyd has warned of the environmental injustices that culminate in “sacrifice zones”.65 These extremely contaminated areas include, for example, concentrations of open-pit mining, smelters, refineries, chemical plants and waste dumps, which tend to be near economically marginalised communities, including in the EU. Here, warns David Boyd, “vulnerable and marginalised groups bear a disproportionate burden”,66 such that states and businesses must do more to prevent pollution, including by eliminating the use of toxic substances and rehabilitating contaminated sites.67
Children suffering from exposure in sacrifice zones tend to endure other forms of pollution disproportionately also. Within EU countries, poorer communities are more likely to live in areas with the worst air pollution, for example. Between countries, those with the lowest income tend to be most affected by pollutants in general. Both illustrate structural environmental injustice in the bloc.68
Principles of protection
Protecting marginalised children from harmful chemicals is not only a matter of mitigating the impact; it also requires prevention and remedy. The drivers of marginalisation itself must be faced, such as the discrimination that is baked into housing/zoning plans, for example, and barriers to healthcare, justice, and compensation. Supporting the most affected communities facing chemical pollution means for the EU, governments and companies to undertake a broad set of actions, including the prevention of chemical pollution, its mitigation as well as its remediation.
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Footnotes
30 Danish Protection Agency, Exposure of children and unborn children to selected chemical substances, 2017; EEA, Chemicals in Europe: understanding impacts on human health and the environment, June 2017.
31 EEA, The impacts of endocrine disrupters on wildlife, people and their environments, May 2012.
32 EEA, The European environment - state and outlook 2020: Knowledge for transition to a sustainable Europe, Chapter 10: Chemical Pollution, December 2019.
33 EEA, The unknown territory of chemical risks, 2019.
34 ESE, Hormones in European health policies: how endocrinologists can contribute towards a healthier Europe, May 2021.
35 Lenters, V. et al., Exposure to a mixture of endocrine-disrupting chemicals and metabolic outcomes in Belgian adolescents, November 2023.
36 CHEM Trust, List of endocrine disruptors: The not-so-happy families of toxic chemicals.
37 EU Parliament, The precautionary principle: Definitions, applications and governance, In-Depth Analysis, December 2015.
38 Report of the SR on the Implications for Human Rights of the Environmentally Sound Management and Disposal of Hazardous Substances and Wastes [link], A/HRC/33/41, August 2016.
39 WHO, Don’t pollute my future! The impact of the environment on children’s health, 2017; PAN Europe, Pesticide free sensitive areas: Spreading pesticides to sensitive areas - consequences and protective measures, October 2022.
40 UNICEF, Innocenti Report Card 17: Places and spaces environments and children’s well-being, 2022.
41 Lockett, E., Nunez, K., medically reviewed by Carissa Stephens, What is a normal respiratory rate for adults and children?, Healthline, November 2022; Herbert, A. et al., Normal percentiles for respiratory rate in children: reference ranges determined from an optical sensor, October 2020.
42 CHEM Trust, Report: Why you should know about 'the mixture effect’, March 2022.
43 Maitre, L. et al., Multi-omics signatures of the human early life exposome, November 2022; UNICEF, Innocenti report card 17: places and spaces environments and children’s well-being, incl. “Spotlight 2: Child brain development in the womb is particularly sensitive to environmental chemicals – results from the NeuroTox study”, 2022; Heinrich-Böll-Stiftung, Pesticides Atlas 2022 and Health: severe consequences, October 2022; UNICEF, Understanding the impacts of pesticides on children: A discussion paper, January 2018; Danish Protection Agency, Exposure of children and unborn children to selected chemical substances, 2017; EEA, Chemicals in Europe: understanding impacts on human health and the environment, June 2017.
44 McBride ML., Childhood cancer and environmental contaminants, May-June 1998; Ahern, T. et al., Medication-associated phthalate exposure and childhood cancer incidence, February 2022.
45 Insel, B. et al., Persistent associations between maternal prenatal exposure to phthalates on child IQ at age 7 years, December 2014.
46 ATHLETE, Higher exposure to bisphenol A in the womb associated with increased risk for asthma and wheezing in school-age girls, March 2022.
47 ATHLETE, New study links prenatal exposure to environmental chemicals to childhood growth changes, October 2023; Evangelou, E. et al., Exposure to pesticides and diabetes: a systematic review and meta-analysis, May 2016.
48 ATHLETE, New study links prenatal exposure to environmental chemicals to childhood growth changes, October 2023; EU Commission, Exposure to chemicals from plastic and other sources: a possible causal factor in obesity?, November 2022; Kajohnsak Noppakun, Association between pesticide exposure and obesity: A cross-sectional study of 20,295 farmers in Thailand, May 2022.
49 Koskela, A. et al., Perfluoroalkyl substances in human bone: concentrations in bones and effects on bone cell differentiation, July 2017; Beglarian, E. et al., Exposure to perfluoroalkyl substances and longitudinal changes in bone mineral density in adolescents and young adults: A multi-cohort study, December 2023.
50 Danish Protection Agency, Exposure of children and unborn children to selected chemical substances, 2017.
51 Report of the SR on the Implications for Human Rights of the Environmentally Sound Management and Disposal of Hazardous Substances and Wastes A/HRC/33/41, August 2016.
52 Theo Colborn’s Letter to the president about chemicals disrupting our bodies https://www.youtube.com/watch?v=2r2Rx8VRq48, December 2012.
53 FAO, The biodiversity that is crucial for our food and agriculture is disappearing by the day, February 2019.
54 Rigal, S. et al., Farmland practices are driving bird population decline across Europe, May 2023.
55 Flame retardants refer to a diverse group of chemicals that are added to manufactured materials such as textiles and plastics and which inhibit or delay the spread of fire by suppressing the chemical reactions in the flame or by the formation of a protective layer on the surface of a material. IPBDEs, including decaBDE, are listed as chemicals of concern by the WHO and UN Environment Programme because of their endocrine-disrupting properties. As these substances act as endocrine disruptors, there is no safe level of exposure. Children are particularly at risk. Foetuses can be exposed to decaBDE as it is transported through blood, cord blood, and placenta. Infants and small children are also at risk of high exposure through breast milk, as well as from house dust and hand-to-mouth activity, which may result in greater ingestion of PBDEs than adults.
56 Green Science Policy, Map: wildlife polluted by flame retardants on massive scale; Environmental Health News, Wildlife across the globe are polluted with flame retardants: Map, October 2023.
57 International Assessment of Agricultural Knowledge, Science and Technology for Development (IAASTD), Agriculture at a crossroads - Global report, 2009; FAO, ITPS, GSBI, CBD and EC, State of knowledge of soil biodiversity - Status, challenges and potentialities, Report, 2020; Mandal et al., Chapter 7: Impact of agrochemicals on soil health, 2020.
58 Endocrine Society, Estimated costs of EDC exposure exceed €150 billion annually in EU, March 2015.
59 EU Court of Auditors, Polluter Pays Principle: Inconsistent application across EU environmental policies and actions, 2021.
60 Global Alliance on Health and Pollution, Pollution and health: A global public health crisis, Update to the 2017 Lancet Commission on Pollution and Health.
61 EU Commission, Chemicals Strategy for Sustainability, October 2020.
62 Dickerson, A. Invited Perspective: Still Beating the Drum—Environmental Health Disparities and Neurodevelopment, Environmental Health Perspectives, September 2023.
63 Johnston, J. and Cushing. L, Chemical exposures, health and environmental justice in communities living on the fenceline of industry, 2020.
64 Report of the SR on the Implications for Human Rights of the Environmentally Sound Management and Disposal of Hazardous Substances and Wastes, A/HRC/33/41, August 2016.
65 Report of the SR on the issue of human rights obligations relating to the enjoyment of a safe, clean, healthy and sustainable environment, A/HRC/49/53, January 2022.
68 The Guardian, Revealed: almost everyone in Europe is breathing toxic air, September 2023.