Is IQ going up or down?

Could you please provide your thoughts on the ongoing debate about whether IQ levels are increasing or decreasing over time? Some experts argue that advancements in education, healthcare, and technology have led to a significant rise in intelligence, while others contend that factors such as environmental degradation, lifestyle changes, and genetic decline may be contributing to a decline. What are your insights on this matter, and what evidence would you cite to support your position?