In a new article we get a statistic which declares 16% of deaths globally are caused by pollution. This is because pollution triggers various diseases some of which are obvious like asthma but others perhaps less obvious. Poorer countries are at greater risk of death due to pollution as well. If we look in the United States we have the flint water crisis as an example of lead pollution being in the water supply which also is neurotoxic which means it can disrupt or damage the developing brains of children.
Some believe in climate change while others claim it is a hoax. What matter is that pollution reduces both quality and quantity of lifespan and it's not in the best interest of the majority of people to ignore this.
References
Simon Fraser University. (2017, October 20). Pollution responsible for 16 percent of early deaths globally. ScienceDaily. Retrieved October 22, 2017 from www.sciencedaily.com/releases/2017/10/171020182513.htm