The former president has said that the Carter Center, an Atlanta, Georgia-based organization devoted to global peace and social justice, may be his greatest legacy.
Jimmy Carter wins Nobel Peace Prize - CNN
Now obviously, I didn't present that Carter's energy proposals were specific to his "social justice" agenda's, that was you making that leap. I only used "social justice" as an example. But, seeing as that he openly is committed to this agenda in all facets of his life's work, I am betting that it had a place in his thought on the subject.