Напишите пожалуйста о проблемах окружающей среды. Не много.. буквально 100-110 слов..заранее спасибо

Scientific and technological progress has set mankind several new, highly complex problems with which it had not faced at all, or the problems were not so ambitious. Among them a special place is occupied by the relationship between man and the environment. In XX century the nature of lay stress induced a 4-fold increase in population and 18-fold increase in world production. Scientists claim that around 1960-70-ies. changes in the environment by human activities become global, ie affecting all the countries of the world, so they were called global.