In 2-3 sentences, what is the theme of the story condensed milk?

When an old acquaintance lays out an escape plan, that satisfaction is offered in the form of condensed milk: a sweet, delicious extravagance - a small element of joy in the midst of impending death.

Ascenario where we impact the environment is when humans/ us litter outside or in the ocean which causes wild life to die or even extinct and also if we keep cutting down our trees we might not even have oxygen to live humans also keep limiting water resources wasting it s

Just find a long word in the book.