World temperature

Global warming was becoming serious problem in world. “since the early 20^th century, earth’s mane surface temperature has increased by about 0.8 degree scientist s are more than 90% certain that it is caused by  increasing concentrations of greenhouse gases produced  by human activities such as the burning of fossil fuels and deforestation , which caused decreasing on join layer ”. From 19^th century human have developed and invented many things, these things have made our life easy and comfort. Travel from one pace to another has very easy, Communication is very fast and we can make the call as we wish.  All these inventions that we use every day to make our life easy. We are producing heat, pollution , different harmful chemical , but we are not  worried  of its harmful effect on human and all  creature  of the world. Our daily activities increasing our surrounding.