Environmental degradation is posing serious threat to our health. The origins of new pathogens like SARS-CoV-2 are believed to be the results of environmental degradation. As part of the World Environment Day celebration we will be bringing out a series of articles highlighting the potential effects of climate change on human health. World Environment Day is the United Nations' flagship campaign for encouraging awareness and action for the protection of our environment. Since 1974 World Environment Day has been celebrated every year on 5 June around the world. It encourages governments businesses celebrities and citizens to focus their efforts on