b) Environmental implications
i. Climate change
Gas flaring and venting contribute to climate change, which has serious implications for both
Nigeria and the rest of the world. The burning of fossil fuel, mainly coal, oil and gas, emit
greenhouse gases which have dissipated the earth’s ozone layer leading to warming up of the
world. This global warming is projected to get worse during the course of the 21
st
century
according to the inter-governmental panel on climate change. The impact will be particularly
severe for developing countries and Africa as a continent is regarded as highly vulnerable with
limited ability to adapt.
ii. Acid rain
Acid rains have been linked to the activities of gas flaring. Corrugated roofs in the Delta region
have been corroded by the composition of the rain that falls as a result of flaring. The primary
causes of acid rain are emissions of sulphur-dioxide and nitrogen-oxide which combine with
atmospheric moisture to form sulfuric acid and nitric acid respectively. Acid rain acidifies lakes
and streams and damages vegetation. In addition, acid rain acceleratesthe decay of building
materials, paints and also contributes to health decline.
iii. Agriculture
The flares associated with gas flaring give rise to atmospheric contaminants. These include
oxides of nitrogen, carbon and culphur, particulate matter, hydrocarbons and ash, photochemical
oxidants, and hydrogen-sulphide. These contaminants acidify the soil, hence depleting soil
nutrients. The effects of change in temperature on crops include stunted growth, scorched plants
and withered young crops.
c) Economic implications
Aside from the health and environmental consequences of gas flaring, the nation also loses
billions of dollars-worth of gas which is literally burnt off daily in the atmosphere. Much of this
can be converted for domestic use and for electricity generation. By so doing the level of
electricity generation in the country could be raised to meet national demand. Nigeria has
recorded huge revenue losses due to gas flaring and oil spillage.