Indo-Asian News Service: Human intervention has caused widespread climatic alterations like permafrost thawing, premature blooming of plants across Europe and declining lakes in Africa, according to a NASA study. Cynthia Rosenzweig of NASA and co-author of the study, said it is the first to co-relate global temperature data sets and observed changes in a broad range of physical and biological systems with humans, climate, and impact. Rosenzweig and colleagues also found that the link between man-made climate …