One of the biggest hurdles in sustainability is that of the Human Behaviour, Poverty, migration and marginalization of poor, the example of changing customer requirements and rising the demand Second is climate change and global warming. Example of depletion of natural resources and increase of man led disasters. The conflict that arises from disputed related to natural resources availability. Such as the sharing of rivers at borders. Thirdly the crimes conducted against the environment like illegal deforestation and trade of species hence destruction of their natural environment.
