Campaigners call Rio+20 summit a `` hoax '' and a `` failure of epic proportions '' The Thursday meeting ended with an agreement on the document ` `` The Future We Want U.N. Secretary-General Rio+20 says Rio+20 `` affirmed fundamental principles '' some $ 513 billion has been committed to a number of causes , U.N. says .
Campaigners call Rio+20 summit a `` hoax '' 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 Rio+20 `` affirmed fundamental principles '' $ 513 billion has been committed to a number of causes , the United Nations says .