An environmental hazard which occurs slowly and unnoticed in the oil-producing region of the Niger Delta of Nigeria is

The environmental hazard which occurs slowly and unnoticed in the oil-producing region of the Niger Delta of Nigeria is pollution. Due to the oil exploration and production activities in the region, oil spills, gas flaring, and other forms of environmental pollution have become common, leading to air, land, and water pollution. This pollution poses a significant risk to the health and well-being of the people and animals living in the area, and it also negatively impacts agriculture and fishing, which are the main sources of livelihood for many communities in the region. The pollution is often slow and unnoticed, as it accumulates gradually over time, and its effects may not be immediately obvious, but it can have devastating long-term consequences.