• Section 20 makes it an objective of the Nigerian State to improve and protect the air, land, water, forest and wildlife of Nigeria.
• Section 12 establishes, though impliedly, that international treaties (including environmental treaties) ratified by the National Assembly should be implemented as law in Nigeria.
• Section 33 and 34 which guarantee fundamental human rights to life and human dignity respectively, have also being argued to be linked to the need for a healthy and safe environment to give these rights effect.

• Section 7 provides authority to ensure compliance with environmental laws, local and international, on environmental sanitation and pollution prevention and control through monitory and regulatory measures.
• Section 8 (1)(K) empowers the Agency to make and review regulations on air and water quality, effluent limitations, control of harmful substances and other forms of environmental pollution and sanitation.
• Section 27 prohibits, without lawful authority, the discharge of hazardous substances into the environment. This offence is punishable under this section, with a fine not exceeding, N1,000,000 (One Million Naira) and an imprisonment term of 5 years. In the case of a company, there is an additional fine of N50,000, for every day the offence persists.

National Effluent Limitation Regulations.

• Section 1 (1) requires industry facilities to have anti-pollution equipment for the treatment of effluent.
• Section 3 (2) requires a submission to the agency of a composition of the industry’s treated effluents.
• National Environment Protection (Pollution Abatement in Industries and Facilities producing Waste) Regulations (1991). 
• Section 1 Prohibits the release of hazardous substances into the air, land or water of Nigeria beyond approved limits set by the Agency.
• Section 4 and 5 requires industries to report a discharge if it occurs and to submit a comprehensive list of chemicals used for production to the Agency.

Federal Solid and Hazardous Waste Management Regulations (1991). 

• Section 1 makes it an obligation for industries to identify solid hazardous wastes which are dangerous to public health and the environment and to research into the possibility of their recycling.
• Section 20 makes notification of any discharge to the Agency mandatory.
• Section 108 stipulates penalties for contravening any regulation.

An Environmental Impact Assessment (EIA) is an assessment of the potential impacts whether positive or negative, of a proposed project on the natural environment:
The E.I.A Act, as it is informally called, deals with the considerations of environmental impact in respect of public and private projects.
Sections relevant to environmental emergency prevention under the EIA include:-

• Section 2 (1) requires an assessment of public or private projects likely to have a significant (negative) impact on the environment.
• Section 2 (4) requires an application in writing to the Agency before embarking on projects for their environmental assessment to determine approval.
• Section 13 establishes cases where an EIA is required and
• Section 60 creates a legal liability for contravention of any provision.

THE NIGERIAN URBAN AND REGIONAL PLANNING ACT
CAP N138, LFN 2004
The Urban and Regional Planning Act is aimed at overseeing a realistic, purposeful planning of the country to avoid overcrowding and poor environmental conditions. In this regard, the following sections become instructive:-

• Section 30 (3) requires a building plan to be drawn by a registered architect or town planner.
• Section 39 (7) establishes that an application for land development would be rejected if such development would harm the environment or constitute a nuisance to the community.
• Section 59 makes it an offence to disobey a stop-work order. The punishment under this section, is a fine not exceeding N10, 000 (Ten thousand naira) and in the case of a company, a fine not exceeding N50, 000.
• Section 72 provides for the preservation and planting of trees for environmental conservation.

HARMFUL WASTE (SPECIAL CRIMINAL PROVISIONS) ACT
CAP H1, LFN 2004
The Harmful Waste Act prohibits, without lawful authority, the carrying, dumping or depositing of harmful waste in the air, land or waters of Nigeria. The following sections are notable:

HYDROCARBON OIL REFINERIES ACT, CAP H5, LFN 2004.
The Hydrocarbon Oil Refineries Act is concerned with the licensing and control of refining activities. Relevant sections include the following:-

OIL IN NAVIGABLE WATERS ACT, CAP 06, LFN 2004.
The Oil in Navigable Waters Act is concerned with the discharge of oil from ships. The following sections are significant:-

ASSOCIATED GAS RE-INJECTION ACT, CAP 20, LFN 2004.
The Associated Gas Re-Injection Act deals with the gas flaring activities of oil and gas companies in Nigeria. The following sections are relevant to pollution prevention:- 

THE ENDANGERED SPECIES ACT , CAP E9, LFN 2004.
This Act focuses on the protection and management of Nigeria’s wildlife and some of their species in danger of extinction as a result of overexploitation. These sections are noteworthy:

SEA FISHERIES ACT, CAP S4, LFN 2004.
The Sea Fisheries Act makes it illegal to take or harm fishes within Nigerian waters by use of explosives, poisonous or noxious substances.
Relevant sections include the following:- 

INLAND FISHERIES ACT, CAP I10, LFN 2004.
Focused on the protection of the water habitat and its species, the following sections are instructive:

EXCLUSIVE ECONOMIC ZONE ACT, CAP E11, LFN 2004.
The Exclusive Economic Zone Act makes it illegal to explore or exploit natural resources within the Exclusive zone without lawful authority. The Federal Government regulates the activities of the Exclusive Zone.

OIL PIPELINES ACT, CAP 07, LFN 2004.
The Oil Pipelines Act and its Regulations guide oil activities. The following sections are pertinent;

OIL PIPELINES REGULATIONS (UNDER OIL PIPELINES ACT)

PETROLEUM ACT, CAP P10, LFN 2004.
The Petroleum Act and its Regulations remain the primary legislation on oil and gas activities in Nigeria. It promotes public safety and environmental protection. The following sections are relevant:

REGULATIONS

PETROLEUM DRILLING AND PRODUCTION REGULATIONS:

PETROLEUM REFINING REGULATION

MINERAL OIL SAFETY REGULATIONS AND CRUDE OIL TRANSPORTATION AND SHIPMENT REGULATIONS.

These Regulations prescribe precautions to be taken in the production, loading, transfer and storage of petroleum products to prevent environmental pollution.

PETROLEUM PRODUCTS AND DISTRIBUTION ACT, CAP P12, LFN 2004.
Under this Act, the offence of sabotage which could result in environmental pollution is punishable with a death sentence or an imprisonment term not exceeding 21 years.

TERRITORIAL WATERS ACT, CAP T5, LFN 2004.
The Territorial Waters Act makes punishable any act or omission committed within Nigerian waters which would be an offence under any other existing law.

NUCLEAR SAFETY AND RADIATION PROTECTION ACT, CAP N142, LFN 2004.
The Act is concerned with the regulation of the use of radioactive substances and equipment emitting and generating ionizing radiation. In particular:

NIGERIAN MINING CORPORATION ACT. CAP N120, LFN 2004.
This Act establishes the Nigerian Mining Corporation. It has authority to engage in mining refining activities and to construct and maintain roads, dams, reservoirs, etc. In particular:

QUARANTINE ACT, CAP Q2, LFN 2004.
The Quarantine Act provides authority to make regulations for preventing the introduction, spread and transmission of infectious diseases such as cholera, yellow fever, typhus, etc.
Under this Act, violation of any regulation is punishable with a fine of N200 or an imprisonment term of 2 years or both.   

RIVER BASINS DEVELOPMENT AUTHORITY ACT, CAP R9, LFN 2004.
The River Basins Development Authority is concerned with the development of water resources for domestic, industrial and other uses, and the control of floods and erosion.

PEST CONTROL PRODUCTION (SPECIAL POWERS) ACT, CAP P9, LFN 2004.
The Pest Control of Production Act is concerned with export produce conditions and pest control. In particular: 

AGRICULTURE (CONTROL OF IMPORTATION) ACT, CAP A93, LFN 2004.
The Agriculture Act and its Plant (Control of Importation) Regulations are concerned with the control of the spread of plant diseases and pests.
Worth noting is:
Section 6 which allows authorized officers to take emergency control measures, and provides for the recovery of costs and expenses incurred by the officers in controlling the situation.

ANIMAL DISEASES (CONTROL) ACT, CAP A17, LFN 2004.
The Animal Disease (Control) Act makes it an offence to import any animal, hatching egg or poultry into Nigerian except under a permit. The following sections are relevant:
Section 5 provides an inspector with the authority to take emergency measures where necessary.
Section 10 stipulates penalties for contravening any regulation.
Section 13 requires owners of trade animals to posses a movement permit and ensure the fitness of their animals.  
Section 20 provides authority to make regulations that prevent and control the spread of animal diseases.

BEES (IMPORT CONTROL AND MANAGEMENT) ACT, CAP B6, LFN 2004.
It is an offence, under this Act, to import bees or apicultural materials into Nigeria without a valid permit. A person could also be held liable for exceeding the terms of his permit.

CIVIL AVIATION ACT.
CAP C13, LFN 2004.
The Civil Aviation Act promotes public safety by providing regulations to secure the safety of persons and property in the aircraft and others who may be endangered by it.

FACTORIES ACT, CAP F1, LFN 2004.
The Factories Act promotes the safety of workers and professionals exposed to occupational hazards. Under this Act, it is an offence to use unregistered premises for factory purposes. In particular:
Section 13 allows an inspector take emergency measures or request that emergency measures be taken by a person qualified to do so in cases of pollution or any nuisance.

WATER RESOURCES ACT, CAP W2, LFN 2004.
The Water Resources Act is targeted at developing and improving the quantity and quality of water resources. The following sections are pertinent:
Section 5 and 6 provides authority to make pollution prevention plans and regulations for the protection of fisheries, flora and fauna.
Section 18 makes offenders liable, under this Act, to be punished with a fine not exceeding N2000 or an imprisonment term of six months. He would also pay an additional fine of N100 for everyday the offence continues.       

HIDES AND SKINS ACT, CAP H3, LFN 2004. 
The Hides and Skins Act and its Regulations are concerned with the preparation, quality and trade of hides and skins. It prohibits the use of unlicensed premises or enclosure as a place for the preparation or buying of hides and skins for export.

THE FEDERAL NATIONAL PARKS ACT, CAP N65, LFN 2004.
The National Parks Act is concerned with the establishment of protected areas used for resource conservation, water catchments protection, wildlife conservation and maintenance of the national eco-system balance.

NIGER-DELTA DEVELOPMENT COMMISSION (NDDC) ACT, CAP N68, LFN 2004.
The Niger-Delta Development Commission Act is concerned with using allocated funds to tackle ecological problems arising from the exploration of oil minerals in the Delta.
Section 7 (1) (b) empowers the Commission to plan and to implement projects for the sustainable development of the Delta in the field of transportation, health, agriculture, fisheries, urban and housing development, etc.
The Commission, under this Act, has a duty to liaise with oil and gas companies and advice stakeholders on the control of oil spillages, gas flaring and other related forms of environmental pollution.

OTHER LEGISLATION:
Environmental Sanitation Law:
This is a law of Lagos State focused on environmental sanitation and protection. It punishes in varying degrees acts like street obstruction, failure to clean side walks, cover refuse bins or dispose wastes properly.

Environmental Pollution Control Law
Section 12 of this law under the Laws of Lagos State makes it an offence to cause or permit a discharge of raw untreated human waste into any public drain, water course or onto any land or water. This offence is punishable with a fine not exceeding N100, 000 (One hundred thousand naira) and in the case of a company, a fine not exceeding N500, 000.      

CRIMINAL CODE:
The Criminal Code contains provisions for the prevention of public health hazards and for environmental protection. Hence:
Sections 245-248 deal with offences ranging from water fouling, to the use of noxious substances.