Human rights law has evolved considerably over the past half-century. Much of this evolution has occurred at the international level.
Drumbl, Mark A.
"International Human Rights, International Humanitarian Law, And Environmental Security: Can The International Criminal Court Bridge The Gaps?,"
ILSA Journal of International & Comparative Law: Vol. 6
, Article 5.
Available at: http://nsuworks.nova.edu/ilsajournal/vol6/iss2/5