The environment and children's health.

The coronavirus disease 2019 (COVID-19) pandemic has provided many people with an opportunity to reconsider the relationship between the environment, human life, and human health. This is because the emergence of new infectious diseases is related to climate change and environmental pollution. Climate change is not the only cause of new infectious diseases, but it has been pointed out as an important factor that indirectly affects the occurrence of pandemics. According to an analysis conducted by the World Health Organization (WHO), climate change has increased humans' susceptibility to infections with pathogens. We can see that the past half century, when new infectious diseases have exploded, coincides with the period when climate change has worsened [1].