Pin-Yen Works for an Environmental Organization in Taiwan and Recently

Pin-Yen works for an environmental organization in Taiwan and recently submitted a report on ways to curb climate change to her manager. However, her report stated that the only way to curb climate change is by reducing energy consumption. Therefore, energy consumers are faced with two choices: to reduce energy consumption and curb climate change or not to reduce this consumption and increase climate change. Her manager gave her feedback on the report saying that there are several ways to tackle climate change. Which of the following logical fallacies is illustrated in Pin-Yen's report?

A) false cause
B) weak analogy
C) appeal to authority
D) appeal to popularity
E) false dichotomy