Organizational effectiveness 93 Effective teaching 78 Physiological effect 43 Dissertations, Academic (Ph.D) 40 Environmental pollution-- Effects of humans, pollution on ecology 31 Environmental pollution-- Effects of humans-- pollution on ecology 31 Green house effect 29 Plants 28 Teacher effectiveness 28 Management 22 Global warming 21 Education 20 Cost effectiveness 19 Effect of human beings on 18 Human ecology 18 Climatic changes 17 Greenhouse effect 17 Nature 17 Organizational change 16 Effect of technological innovations on 15 adverse effects 15 Strategic planning 14 Teaching 14 Leadership 12 Learning 12 Climate change 11 Effect of stress on 11 Human beings 11 Nature-Effect of human beings on 11 Organizational behavior 11