By Steven Grattan BOGOTA, Colombia (AP) — As gold prices hover at record highs, a leading Catholic leader in Peru’s Amazon is urging countries that are destinations for the precious metal to help stem illegal mining that is poisoning rivers with mercury. Miguel Ángel Cadenas, an Augustinian from Spain who has lived in Peru’s Amazon for three decades, said illegal mining has surged since the COVID-19 pandemic, citing the Tigre, Nanay, Napo and Putumayo rivers as some areas where communities are at risk. Tests have found mercury levels in some fish above World Health Organization limits, and hair samples from local residents analyzed by scientists and doctors also showed elevated concentrations. “We are in a delicate situation,” Cadenas told The Associated Press. “Given that the Amazonian diet is rich in…