The United Nations received sobering testimony this week as UNICEF reported that over 2.2 billion children worldwide face serious health threats directly attributable to climate change. The briefing to the Security Council detailed alarming exposure rates: 89 percent of children are exposed to extreme heat, while 85 percent face water scarcity. Deputy Executive Director Ted Chaiban emphasized that children’s physiological vulnerability—including developing immune systems and elevated metabolic rates—makes them particularly susceptible to heat-related illness, vector-borne diseases, and malnutrition. The crisis is most acute in low-income countries, where climate impacts devastate already fragile health infrastructure. Healthcare systems are increasingly unable to respond as extreme weather damages facilities and disrupts supply chains. Experts stress that protecting children’s health requires urgent climate action and investment in climate-resilient health systems globally.
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