Deforestation 50 Ecology 4 Forests 4 Forests and Forest Trees (Biology and Ecology) 4 Land degradation 4 Pollution and Degradation 4 Climatic changes 3 Desertification 3 Environmental degradation 3 Forest degradation 3 Global warming 3 Indigenous peoples 3 Kerala 3 Natural Resource Economics, (New March 2000) 3 Political ecology 3 Sustainable Development 3 Agricultural Economics 2 Agricultural development 2 Biodiversity 2 Biodiversity Extinction 2 Biodiversity extinction 2 Case studies 2 Climate change 2 DEFORESTATION 2 Drought 2 Economic aspects 2 Environment 2 Environmental ethics 2 Forest conservation 2 Forest management 2