Environmental service matters. * Policy matters on air and other forms of pollution. * Beautification and development of open spaces in the State except horticulture. * Control of outdoor advertisements and signposts. * Field laboratory and geo-physical survey in conjunction with other stakeholders. * Collation of data on industrial hazards and setting of standards. * Liaison with NAFDAC, NDLEA, FMENV and Lagos State Environmental and Special Offences and Enforcement Unit on any related matter. * Supervision of Lagos State Environmental Protection Agency (LASEPA), Lagos State Waste Management Agency (LAWMA), Lagos State Signage and Advertisement Agency (LASAA) and Lagos State Waste Water Management Office (LSWMO). * Development, control and maintenance of public parks and gardens. * Evaluation of Environmental Impact Assessment (EIA) and Environmental Audit Report (EAR). * Control, management and monitoring of public toilets. * Co-ordination of environmental sanitation exercise and protection services. * Initiation, formulation, execution and monitoring of all issues relating to climate change towards mitigating the negative impact of climate change. * Ground water hydrology. * Control of water pollution and hyacinth. * Identification and management of gullies and degraded areas. * Preparation of master plan of drainage system in Lagos State. * Collection and disposal of storm water. * Supervision and management of donor agencies assisted projects. * Development and management of drainage plans. * Design, construction and maintenance of primary and secondary collectors. * Supervision of projects on major channels being funded by World Bank. * Laboratory services for sewage, water and environmental pollution. * Control of water pollution and hyacinth. * Treatment of waste water. * Liaison with Water Corporation on other related matters.