SECTION 1: THE BIOCHAR SYSTEM (FEEDSTOCKS, PREPARATION, AND PROPERTIES 1. Introduction 2. Preparation and characteristics of pristine biochars 3. Development of novel engineered/functionalized biochars 4. Biochar catalysis for environmental remediation SECTION 2: BIOCHAR FOR CONTAMINATED LAND REMEDIA-TION 5. Remediation of inorganic contaminants in soils 6. Rehabilitation of mined lands and geologically enriched soils 7. Remediation of conventional and emerging organic contaminants in soils SECTION 3: BIOCHAR FOR WASTEWATER TREATMENT 8.

Treatment of Urban stormwater 9. Industrial and municipal wastewaters 10. Biochar as filter media in bioretention and constructed wetland systems SECTION 4: BIOCHARS FOR DRINKING WATER TREATMENT 11. Removal of contaminants in drinking water 12. Design and operation of single and multi-barrier biochar filters 13. Industrial flue gas emissions 14. Clean and efficient biochar cookstoves for mitigation of indoor air pollution 15. Mitigation of greenhouse gas emissions: A state-of-the-art SECTION 6: TECHNO-ECONOMIC EVALUATION OF BIOCHAR SYSTEMS 16.

Technical feasibility of biochar systems 17. Regeneration, recycling and disposal of spent biochars 18. Socio-economic evaluation of biochar systems SECTION 7: HEALTH RISK ASSESSMENT OF BIOCHAR SYS-TEMS 19. Life cycle assessment for biochar systems 20. Environmental and human health risks of biochar systems SECTION 8: LOOKING AHEAD: FUTURE PERSPECTIVES 21. Future research directions 22. Conclusions.