Nature has always been very fascinating, and when talking about it, we have always been tempted to see humans and things that relate to humans. We most often relegate other forms to the background or even completely neglect them.
Scarcity of water in the world?
Humans are very resourceful and well endowed. But our major problem is that we constantly tend to overdo things which usually result in our causing environmental hazards to the ecosystem.
I used to think the King Cobra was the deadliest snake but was jolted when I stumbled on some articles on snakes. I got to realize that the Inland Taipan was far more deadly. The snake can release about 100-200 mg of venom from one bite and that was enough to kill one hundred six foot tall humans.