This series covers leading-edge research focusing on the environment, including current research data on the current applicability and challenge of life-cycle approach for assessing GHG emission and mitigation from the Waste Sector in Vietnam; a challenge for biodiversity preservation in the Congo Basin of zoonotic diseases emergence; opportunities for efficient renewable energy systems and the environment; the influence of evapotranspiration on wastewater constructed wetland treatment efficiency; a key tool for the scaling up of soil bio/phytoremediation processes with microcosms; sustainable renewable energy from timber waste produced from the rainforest of Brunei Darussalam and its environmental impact; historical defaunation and conservation prospects for medium and large mammals in the Brazilian Atlantic Forest; and Romania as a Case Study using geostatistical tools to pinpoint hotspots' showing biodiversity threats.