Construct flood protection barriers along major rivers. Water resources. Disaster risk management. 5,000,000. 24. Study impacts of sedimentation and siltation rates on coastal processes. Coastal zones/marine ecosystems. 3,500,000. 25. Improve design and construction of buildings. Infrastructure. 1,000,000. 26. Study impact of climate change on hydroelectricity. Water resources. Energy. 1,000,000. 27. Revise building codes to promote retreat from flood plains and coastal zones. 1,000,000. 28. Construct sea level protection structure. Infrastructure. Coastal zones and marine ecosystems. 10,000,000. 29.