Tourists watch a female loggerhead turtle on the beach of Regencia, in Brazil's southeastern Espirito Santo state, Dec. 6, 2015. Toxic sludge from a mining accident hundreds f kilometers away in the mountains was spilled into the Rio Doce watershed on Nov. 5, 2015, and has finally reached the river delta. It's only meters away from where the endandered turtles lay their eggs. Researches say the worst may yet to come from what is already consdered the worst ecological disaster in Brazil. (Australfoto/Douglas Engle)
Tourists watch a female loggerhead turtle lay eggs on the beach of Regencia, in Brazil's southeastern Espirito Santo state, Dec. 6, 2015. Toxic sludge from a mining accident hundreds of kilometers away in the mountains was spilled into the Rio Doce watershed on Nov. 5, 2015, and has finally reached the river delta. It's only meters away from where the endandered turtles lay their eggs. Researches say the worst may yet to come from what is already consdered the worst ecological disaster in Brazil. (Australfoto/Douglas Engle)
