Without Water No Life, Closing Linear Flows of Carbon through a Sectoral Society: Diagnosis and Implementation, Amounts, Dynamics and Sequestering of Carbon in Tropical and Subtropical Soils, Curbing Rural Exodus from Tropical Drylands, Carbon Storage and Flow: Their Relationship to Water, Soil and Land Management, Water Supply and Waste Disposal Strategies for Madras, New Aspects of Sewerage and Water Technology, New Approaches to Sanitation: A Process of Structural Learning, Urban Livelihood and Environmental Impacts: A Case Study on Material Flow through Madras, Coastal Ecosystems, Productivity and Ecosystem Protection: Coastal Ecosystem Management, Coastal Ecosystems: Attempts to Manage a Threatened Resource, Human The Sustainable Use of Tropical Coastal Resources: A Key Conservation IssueDisturbances on Coral Reefs in Sri Lanka: A Case Study, The Sustainable Use of Tropical Coastal Resources: A Key Conservation Issue, Aquaculture, Ecological Engineering: Lessons from China, Creation and Concentration of Natural Capital: Two Examples.