Attempts to Probe the Ozone Layer and the Ultraviolet-B Levels of the Past, Vulnerability to Climate Variability and Change in East Timor, Soil Climate and Decomposer Activity in Sub-Saharan Africa Estimated from Standard Weather Station Data: A Simple Climate Index for Soil Carbon Balance Calculations, Combating Land Degradation through Participatory Means: The Case of Swaziland, Characterizing and Comparing Backcountry Trail Conditions in Mount Robson Provincial Park, Canada, Mercury Pollution Trends in Subarctic Lakes in the Northern Swedish Mountains, Ethnobotanical Skills and Clearance of Tropical Rain Forest for Agriculture: A Case Study in the Lowlands of Bolivia, Disharmony between Society and Environmental Carrying Capacity: A Historical Review, with an Emphasis on China, Reevaluation of ENCORE: Support for the Eutrophication Threshold Model for Coral Reefs, Geomarkers versus Biomarkers: Paleoenvironmental and Astrobiological Significance, Wastewater Management through Biomass of Azolla pinnata: An Eco-Sustainable Approach.