Story: "A Cooking Revolution: How Clean Energy and Cookstoves Are Saving Lives"
Read these paragraphs from the excerpt.

Cooking: it's a simple act that has brought families around the world together for thousands and thousands of years.

As a chef, I can think of few things more beautiful than that. However, I also know how deadly such a simple act can be , not only to our health, but to our environment.

Why does the author place these paragraphs first in his argument?