Once a river is too polluted, there is always assisted reproductive technology to save a nearly extinct turtle.
Via @carlzimmer
source: http://www.nytimes.com/2015/05/26/science/yangtze-giant-softshell-turtle-artificial-insemination.html
Background:
400 Bellinger River turtles have been found dead or dying
Turtle Survival Alliance
Image:
Macke, August: Forest creek 1910
