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Common Causes Of Climate Change In Nigeria


Although natural hazards like volcanic eruptions contribute to climatic change, scientists have now discovered that certain human activities are also responsible. 

Environmental scientists associate climate change effects with the depletion of the ozone layer in the atmosphere. The ozone layer prevents the heat from the sun from reaching the earth at high intensity. 

The ozone layer is depleted when certain gases are released into the atmosphere from human and natural factors. These gases are: carbon monoxide, Sulphur dioxide, chlorofluorocarbon and the likes.

When these greenhouse gases contribute to global warming, where the heat from the sun is trapped on the earth’s surface, this gradually leads to excess heat depending on the depletion level and quantity of the gases emitted over time. Part of what brings CC is the emission of greenhouse gases from vehicles: Some vehicles emit greenhouse gases such as sulphur dioxide and carbon monoxide from their exhaust. 

Burning of hydrocarbon products: This releases carbon dioxide and other gases into the atmosphere.

Deforestation: This refers to cutting down trees, usually for agriculture. Trees form a protective barrier against the heat from the sun and cutting them down affects this purpose.

Industrial emissions: Industrial activities and equipment produce greenhouse gases that are emitted into the atmosphere. To discuss the main impact of climate change in Nigeria, the variations in temperature, rainfall and humidity associated with the science of climate change in Nigeria affect climate-dependent sectors. And some of the consequences of climate change in Nigeria:

Low crop yield

In Nigeria, crop production depends on location and climatic conditions. Crops that need rainfall to grow are abundant in the south, while those that don’t need rainfall grow more in the north. 

Excess rain and drought associated with climate change affects this natural distribution of crops in Nigeria and reduces their production in large quantities to meet the population’s demand.

For instance, climate change may cause stunted growth of crops grown in Northern Nigeria because these crops don’t thrive in soils flooded with water from excess rain. Likewise, some crops cultivated in southern Nigeria may wither during prolonged drought periods because these crops need rainfall to grow. 

Food shortage

Food scarcity is a consequence of low crop yield, which is characterized by inferior quality and quantity of food crops because of harsh climate conditions. Therefore, food crops are poorly distributed to other geopolitical zones where such crops don’t grow. 

For instance, tomatoes are produced in large quantities in the north and if this declines due to unfavourable climatic conditions, other locations in Nigeria will experience reduced supply.

Reduced livestock production

Livestock animals like goats and cows feed on grass to grow, and their products such as beef or milk are affected when these animals don’t feed well. Irregular climatic conditions destroy farmlands these animals graze on. Also, flooding promotes the growth of pests that attack these farm animals and further depreciate their overall commercial value.

Loss of income

Agriculture is one of the major contributors to the Nigerian economy and source of income for some Nigerians. These individuals are either rural dwellers who are full-time farmers or urban dwellers who are part-time farmers. Climate change destroys farmlands and hinders income generation from agriculture and livestock farming at national and personal levels. 

Public health crisis

Climate change increases the burden of diseases in Nigeria, especially malaria. Mosquitoes breed in stagnant waters and they spread to cause malaria. Life-threatening malaria complications are common among the extremes of age individuals-young and old people. This can put a strain on areas such as public health and nursing. 

Also, wildfires and dust storms occur during drought, and these environmental hazards cause respiratory illnesses in some individuals. Climate change increases the number of diseases and causes preventable deaths among Nigerians if left unchecked.

Decreased hydroelectric power supply

Nigeria generates a significant amount of power from its hydroelectric dam- Kainji Dam. Climate change causes unpredictable rainfall and drought patterns that reduce the water level in Kainji Dam and other smaller ones. 

Consequently, the amount of hydroelectric power generated declines and affects power distribution nationwide. This affects industrial activities which depend on constant power supply to run their plants.

Loss of shelter and road networks

Rural communities suffer most from the negative impact of flooding. Some houses in rural communities collapse during heavy floods because they don’t have a solid structural strength. Also, rural dwellers can’t commute during flooding because water obliterates the road networks.

Nigeria’s climate change policy  

The primary goal of the climate change policy in Nigeria is to tackle the human causes of climate change in a multifaceted way. The policy contains a set of rules, regulations and standards for agencies and individuals to abide by, to achieve the policy goals.

The Nigerian government introduced the following policies aimed at mitigating the climate change effects:

National environmental policy: This policy aims to create an environment that has low levels of air pollutants, reduced deforestation and other human activities that worsen the effects of climate change.

National drought and desertification policy: The major goal is to create solutions by collecting and analyzing environmental data from drought and desertification prone areas.

National forest policy: The Nigerian government enacted this policy to encourage the growth of trees so that trees will provide the protective barrier against the sun’s heat.

National erosion and flood control policy: This policy addresses issues related to erosion and flooding because they wash away the nutrients in the soil and reduce its quality for growing crops.

To proffer solution to such advance effect of climate change of Nigerian economy therefore, the climate change slows the economic growth in Nigeria because it affects the multiple economic sectors that are sensitive to climatic changes. 

The Federal government should collaborate with stakeholders in the different ministries to ensure that policies are revised and implemented based on relevant data and current environmental needs and challenges.

The legislative government should enact laws to ban human activities that contribute towards depletion of the ozone layer.

Nigeria has to adapt to the effects of climate change and mitigate the negative impact of climate change at the national and individual levels.

To adapt to climate change, the Federal government needs to invest in agricultural science research so that scientists can produce crops that are resistant to the harsh climatic conditions and construct drought-resistant hydroelectric dams.

Mitigation involves enforcing the Nigerian climate change policy and enacting laws that prohibit the release of toxic gases from industrial areas, especially by petroleum companies in the Niger Delta region. 

Its however agreed that any problem that was defined, is half way solved but Nigerian scenario always vitiates certain standards, assertions and laws, not because we’re above reality rather in most cases but occasioned by impunity which hinders us to settle so many scores and draw the polity backward amidst the leagues of liberal democracies of our continent and other nations of the globe. Even if we are puzzling other things, let the authorities not toy with CC recommendation because it’s a vital aspect that will make inhibition in our state, worthwhile!

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