<P> The Soviet Union and other Warsaw Pact nations boycotted the conference due to the lack of inclusion of East Germany, which was not allowed to participate as it was not a full member of the UN . </P> <P> At the conference itself, divisions between developed and developing countries began to emerge . The Chinese delegation proved hostile to the United States at the conference, issuing a 17 point memorandum condemning United States policies in Indochina, as well as around the world . This stance emboldened other developing countries, which made up 70 of the 122 countries attending . Multiple countries including Pakistan, Peru, and Chile issued statements that were anti-colonial in nature, further worrying the United States delegation . So harsh was the criticism that Rogers Morton, at that time secretary of the interior, remarked "I wish the Russians were here", to divert the attention of the Chinese criticisms . </P> <P> The meeting agreed upon a Declaration containing 26 principles concerning the environment and development; an Action Plan with 109 recommendations, and a Resolution . </P> <P> Principles of the Stockholm Declaration: </P>

Where was first conference on environment held under the aegis of united nations