In social species an individual may warn other members of the group of danger. This indicates that in nature the common good is of survival value. If humans disregard the common good, the survival of humanity (as well as many other species) may be put at risk. Scientists warn us that the world is facing a biodiversity crisis. Indeed we are heading towards the sixth mass extinction due to environmental degradation and climate change.
The next few decades are probably crucial if an environmental catastrophe is to be averted. There is no planet B.