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Global Climate Change and Children’s Health: Threats and Strategies for Prevention

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Climate change is one of the most pressing issues facing humanity today. The impacts of global warming are already being felt around the world, with rising sea levels, extreme weather events, and increased temperatures affecting people and communities in every corner of the planet. But the effects of climate change are not felt equally, and it is the world's children who are among the most vulnerable.

The Threats to Children's Health

Climate change poses a range of threats to the health and well-being of children. One of the most significant of these is the increased risk of air pollution. As temperatures rise, so too do levels of ground-level ozone and particulate matter, both of which are harmful to human health. Children are particularly susceptible to these pollutants, as their lungs are still developing and they breathe in more air per kilogram of body weight than adults.

Extreme weather events, such as heatwaves, floods, and hurricanes, are also becoming more frequent and intense as a result of climate change. These events can have a devastating impact on children's health, causing injury, illness, and even death. In addition, climate change is increasing the spread of vector-borne diseases, such as malaria and dengue fever, which are particularly dangerous for children.

Strategies for Prevention

Despite the significant threats posed by climate change to children's health, there are strategies that can be implemented to mitigate these risks. One of the most effective of these is reducing greenhouse gas emissions, which are the primary cause of global warming. This can be achieved through a range of measures, including increasing the use of renewable energy sources, improving energy efficiency, and promoting sustainable transportation.

Improving air quality is also a key strategy for protecting children's health in the face of climate change. This can be achieved through the use of cleaner fuels and vehicles, as well as through measures such as tree planting and urban green spaces. In addition, strategies to increase the resilience of communities to extreme weather events, such as early warning systems and emergency preparedness plans, can help to protect children and families from harm.


Climate change is a complex and multifaceted issue, with far-reaching implications for the health and well-being of children around the world. By taking action to reduce greenhouse gas emissions, improve air quality, and increase community resilience, we can help to protect our future generations from the worst impacts of global warming. It is time to act now, before it is too late.

Aaron Bernstein, MD, MPH

Aaron Bernstein is the Interim Director of The Center for Climate, Health, and the Global Environment, a pediatrician at Boston Children’s Hospital, and an Assistant Professor of Pediatrics.

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