The initiative earned praise from the head of Oxfam , which called it a `` welcome ray of hope . '' Some call Rio+20 summit a ` ` disaster '' and a ` ` failure of epic proportions '' The three - day meeting ended with an agreement on the document ` ` The Future We Want '' U.N. Secretary - General Ban Ki - moon says ' ` ` ' fundamental principles '' $ 513 billion has been committed to a number of causes , the United Nations says .
Some call Rio+20 summit a ` ` disaster '' and a ` ` failure of epic proportions '' The three - day meeting ended with an agreement on the document ` ` The Future We Want '' U.N. Secretary - General Ban Ki - moon says ' ` ` ' fundamental principles '' $ 513 billion has been committed to a number of causes , the United Nations says .