If a frog is placed in a boiling caldron, it will immediately jump out to safety. If the same frog is placed in water, which is slowly heated to boiling, the frog will tranquilly remain and eventually die from overheating.
This biological anecdote is frequently utilized as a metaphor for our political state of affairs over global climate change. As the planet slowly heats and succumbs to gradual change we unwittingly accustomize without sensing the dangers that await us. The lessons from this phenomenon also encompass the state of our cities and the transport sector.