Stop using gold and other metals from irresponsible and large scale open pit mining operations, such as Rio Tinto for the symbols of the Olympic Games: the medals. Sign the petition at https://secure.avaaz.org/en/petition/Let_Olympic_gold_medal_no_longer_be_a_source_of_environmental_and_social_injustice/?fbsshttp://! Stop using gold and other metals from irresponsible and large scale open pit mining operations, such as Rio Tinto for the symbols of the Olympic Games: the medals. Sign the petition at https://secure.avaaz.org/en/petition/Let_Olympic_gold_medal_no_longer_be_a_source_of_environmental_and_social_injustice/?fbsshttp://!