Complex sentence: These new paths were straighter, reducing fuel use, and disturbing fewer people, however, vociferous protests came from people near the new paths who had not been disturbed before, and they took legal action (NIMBY effect).
Split into simpler sentences: These new paths were straighter, reducing fuel use, and disturbing fewer people. However, vociferous protests came from people who were not disturbed before and they took legal action (NIMBY effect).