Complex sentence: Social ecology is a philosophy developed by Murray Bookchin in the 1960s; it holds that present ecological problems are rooted in deep-seated social problems, particularly in dominatory hierarchical political and social systems.
Split into simpler sentences: Social ecology is a philosophy developed by Murray Bookchin in the 1960s. It holds that present ecological problems are rooted in deep-seated social problems, particularly in dominatory hierarchical political and social systems.