mankind is
This answer is basically correct, but there is no single answer.
Overpopulation seems to be the best answer. Less people means more territory and Natural Resources for all. Most wars are fought over territory and natural resources. Pollution would not be a problem.
That only leaves Greed.
Too many human beings and the effect of their activity.
State governments
It was them or the USA and the USA was by far the greatest threat to Canada and other British colonies in North America.
The greatest man to ever grace this earth. He is possibly a god amongst mortals!
Samuel Adams
your mother
The main animal that is a threat to a panther would be man.
The greatest threat to man's existence caused by human changes to the environment would be deforestation. This is because it releases carbon dioxide into the air, decreases oxygen, and kills organisms.
The greatest threat to the spirit bear is Cole
It is us the Filipino who is the most greatest threat of Filipino Nationalism
The greatest threat to numbats would be the fox, an introduced species. It is closely followed by feral cats in the threat it poses to numbats.
The greatest threat to the stability of the slave families is that the family members were separated from the rest.
Humans
wind p[ower
The greatest threat to biodiversity is tourist because they have to make their tourist sites so all of the trees get cut down The greatest threat to most species is in fact climate change.
The greatest threat during a tornado is flying debris, which causes the greatest number of deaths and injuries.
Deforestation is the greatest threat to biodiversity in Latin America. Deforestation is the clearing of forests on an immense scale.
turtles