CONTENTS:- 1 Ecology Definition and Meaning 2 Integrated Physical Chemical and Biological Processes 3 Ecological Justice Principles and Processes 4 Conservation of Industrial Energy 5 Ecology Theories and its Justification 6 Different Ecological Theories and Its Impact 7 North South Trading and Environment 8 Theoretical Approaches to Resources and Environmental Problems 9 chemicals Pollution and Preventive Measures 10 Future energy conservation in Households 11 Cement and its Preventive Measures 12 Balanced Sustained Growth of the Dynamic Model in Environment 13 Modeling Relations and Ebioeconomic Approach to sustainability Issues 14 controlling Emissions and its Remedies