Una sintesi ed esame della crisi ambientale e delle sue cause, e come pensiamo che i problemi possano essere risolti.

Issue of Solidarity from July 15th 1969

Issue of Solidarity from June 1st 1969

Issue of Solidarity from May 1st 1969

Issue of Solidarity from April 1969

Issue of Solidarity from March 1969

Issue of Solidarity (undated)

Issue of Solidarity from December 9th 1968

Issue of Solidarity from October 27th 1968

Issue of Solidarity from October 1968

Issue of Solidarity from August 25th 1968

Issue of Solidarity from July 12th 1968