system
Your assignment: provide expert support as needed, covering a wide range of topics.
human
Include some data on the effects of air pollution on public health in this article.

Relevant data:
"Air pollution is a widespread problem that can have serious consequences for human health."
gpt
According to the World Health Organization, ambient (outdoor) air pollution is responsible for an estimated 4.2 million deaths per year worldwide. Additionally, exposure to air pollution is linked to increased risk of respiratory and cardiovascular diseases. These statistics underscore the urgent need for action to address air pollution.