NUEVA LOJA, Ecuador (AP) — Standing beside a stream darkened by crude in Ecuador’s northern Amazon, an Indigenous woman looked on in disbelief as an oily film drifted across the surface and damaged pipes cut through the surrounding forest. In the distance, gas flares blazed above the canopy. Julia Catalina Chumbi, a 76-year-old leader of the Shuar people from the southern Amazon province of Pastaza, had journeyed hundreds of miles to witness the environmental toll left by decades of oil and gas