A major environmental concern related to nuclear power are radioactive wastes which can remain dangerous to human health for thousands of years.
The ‘dangerous’ part of a stingray is its tail. The toxins in venoms have evolved to target highly specific components of their prey’s vital bodily functions.
The staple food source in most of Southeast Asia is rice. It is a plant that acquires its nutrients from the water–and not the soil in which it grows.