Lead poisoning isn't a mystery, it's a policy failure. Despite clear science and proven solutions, childhood lead poisoning persists in the US due to enforcement gaps, fragmented policies, and political inaction.
The data paints a stark picture of progress and failure. Nationally, childhood blood lead levels have declined since the 1970s, largely thanks to removing lead from gasoline, paint, and plumbing. However, about 2.5% of U.S. children aged one to five still have elevated blood lead levels, indicating measurable harm.
"The problem that disproportionately impacts people without power is often deemed 'solved' or 'under control' by those in power," says Peggy Shepard, co-founder and executive director of WE ACT for Environmental Justice. "This is certainly the case with childhood lead poisoning."
Lead exposure is preventable and has well-understood pathways. Detection can be done through paint, water, soil, and consumer products. Interventions like remediation, enforcement, and early screening are proven. Yet, coordination across agencies and sustained political will to treat prevention as essential infrastructure remain lacking.
In New York State, the contradiction is stark. The state leads the nation in cases of children with elevated blood lead levels, yet landlords often ignore the law due to lack of funding for enforcement.
The science-policy gap has lifelong consequences. In 2021, the CDC lowered its blood lead reference value to 3.5 micrograms per deciliter, acknowledging what decades of research had already shown: no level of lead exposure is safe. Yet, legal standards and funding mechanisms often rely on outdated thresholds.
Lead exposure does not end in childhood. Research has linked even low-level exposure to reduced IQ, shortened attention spans, behavioral challenges, increased risk of cardiovascular disease, kidney damage, and premature death later in life.
Infrastructure plays a crucial role in preventing lead poisoning. Lead-based paint remains common in pre-1978 housing, millions of lead service lines deliver contaminated drinking water, and imported consumer products introduce new exposure pathways.
Nonprofit interventions demonstrate their greatest value by providing evidence-based approaches to mitigate lead pollution at scale. Pure Earth's nonprofit model uses data-driven strategies to mitigate lead pollution and has been independently validated.
The question is no longer whether we can end lead poisoning, but how we will. Globally, one in three children worldwide have elevated blood lead levels, underscoring that lead exposure is not a relic of the past but an ongoing global failure. In the US, ending childhood lead poisoning requires sustained funding, aggressive enforcement, modernized surveillance, and reframing lead exposure as a core infrastructure and environmental justice issue.
The science is settled: lead exposure remains fully preventable if we choose to act. It's time for policymakers to take action and prioritize the health and well-being of all children in the US.
The data paints a stark picture of progress and failure. Nationally, childhood blood lead levels have declined since the 1970s, largely thanks to removing lead from gasoline, paint, and plumbing. However, about 2.5% of U.S. children aged one to five still have elevated blood lead levels, indicating measurable harm.
"The problem that disproportionately impacts people without power is often deemed 'solved' or 'under control' by those in power," says Peggy Shepard, co-founder and executive director of WE ACT for Environmental Justice. "This is certainly the case with childhood lead poisoning."
Lead exposure is preventable and has well-understood pathways. Detection can be done through paint, water, soil, and consumer products. Interventions like remediation, enforcement, and early screening are proven. Yet, coordination across agencies and sustained political will to treat prevention as essential infrastructure remain lacking.
In New York State, the contradiction is stark. The state leads the nation in cases of children with elevated blood lead levels, yet landlords often ignore the law due to lack of funding for enforcement.
The science-policy gap has lifelong consequences. In 2021, the CDC lowered its blood lead reference value to 3.5 micrograms per deciliter, acknowledging what decades of research had already shown: no level of lead exposure is safe. Yet, legal standards and funding mechanisms often rely on outdated thresholds.
Lead exposure does not end in childhood. Research has linked even low-level exposure to reduced IQ, shortened attention spans, behavioral challenges, increased risk of cardiovascular disease, kidney damage, and premature death later in life.
Infrastructure plays a crucial role in preventing lead poisoning. Lead-based paint remains common in pre-1978 housing, millions of lead service lines deliver contaminated drinking water, and imported consumer products introduce new exposure pathways.
Nonprofit interventions demonstrate their greatest value by providing evidence-based approaches to mitigate lead pollution at scale. Pure Earth's nonprofit model uses data-driven strategies to mitigate lead pollution and has been independently validated.
The question is no longer whether we can end lead poisoning, but how we will. Globally, one in three children worldwide have elevated blood lead levels, underscoring that lead exposure is not a relic of the past but an ongoing global failure. In the US, ending childhood lead poisoning requires sustained funding, aggressive enforcement, modernized surveillance, and reframing lead exposure as a core infrastructure and environmental justice issue.
The science is settled: lead exposure remains fully preventable if we choose to act. It's time for policymakers to take action and prioritize the health and well-being of all children in the US.