CLEAN : In Copenhagen, a museum dedicated to happiness

The video discusses the concept of happiness, its correlation with well-being, and explores various perspectives on happiness, including its history and politics. It highlights the Nordic countries, particularly Denmark, as examples of societies with high happiness levels due to their ability to reduce causes of unhappiness, leading to a more equal society with less envy.

What does the speaker imply about the relationship between reducing causes of unhappiness and overall happiness?

In what way does societal equality affect feelings of envy, based on the speaker's perspective?