Answer:
Option D, PROUD TRADITIONALISTS.
Step-by-step explanation:
Environmental activism refers to the coming together of various group of individuals and organizations that work in collaboration in social, scientific, political, and conservational fields with the main purpose of addressing environmental concerns.
Proud traditionalists: have their environmental efforts focused on keeping home running efficiently and effectively. They are focused on family and hardwork and are moderately environmentally conscious.
Heather and Jeff are concerned about the environment because of the high cost of heating their home in winter therefore, the environmental activism segment that best describes Heather and her family is PROUD TRADITIONALISTS.