This study was conducted at University of Gujrat during 2014-2015 as a term paper for Master of Philosophy. The data regarding effect of ozone depletion on human was reviewed and compiled as a review paper from various published articles of international reputed journals, annual/environmental reports of recognized organization and e-books. The causes, mechanism and bio-effects of ozone layer depletion on humans were addressed. It is revealed that introduction of Chloroflourocarbons (CFCs) in the environment is the most rated cause of said depiction. Ozone depletion is allowing the UV radiation to earth surface. The exposure to these radiations is severely affecting all life forms on earth, especially the humans. Permanent or temporary blindness, skin cancer and immunity suppression are the main effects of these radiations reported by various researchers on humans. The prospects of ozone recovery are still undiscovered. The current situation of ozone depiction demands urgent remedial measures to protect lives on this earth.

This study was conducted at University of Gujrat during 2017 to 2018 as a term paper for Master of Philosophy. The data regarding use of Insects as Biological Weapons was reviewed and compiled as a review paper from various published articles of international reputed journals annual/environmental reports of recognized organization and e-books. Use of entomological weapons is a wide field of research. Insects were used as biological weapons from ancient times and this concept is very old. Different insects can be used for this purpose by different ways.