Sustainable Development Strides in Nigeria: An Analysis of Climate Change Awareness and Environmental Sustainability (Published)
The paper x-rayed the sustainable development strides in Nigeria: An analysis of climate change awareness and environmental sustainability. It started by looking at the sustainable goals as enshrined in the Millennium Development Goals (MDG) and narrowed it down to environmental sustainability. Furthermore, the paper examined man’s destructive interference in the environment; delicate nature of weather and climate with a critical look at the ozone layer. Subsequently, the nature, causes and consequences of climate change were properly reviewed and man’s efforts to create its awareness and how to mitigate the challenges of the change. Finally, the paper stressed the need for environmental sustainability for the future generations through climate change education and the way forward.
Keywords: Climate Change, Environmental sustainability, Nigeria, Sustainable Development, awareness
SUBSURFACE GEOPHYSICAL MAPPING AND DRILLING OF ABA-ISU LIMESTONE DEPOSIT (SHEET 156E), SOUTH-EASTERN, NIGERIA. (Published)
Geoelectric mapping and drilling of Aba-Isu limestone deposit was carried out using a hybrid method, a combination of Wenner and Schlumberger resistivity techniques. The iso-resistivity maps indicated a roughly NW–SE trending of the limestone deposit. The resistivity values in the range of 40-260Ώm is inferred to be limestone with varying gradations, and relatively low resistivity values <40Ώm. Areas around the central line axis have resistivity values >100Ώm particularly for the “a” of 5m and 10m respectively and consistent and coincidental with the areas where the limestone massively outcropped. The study area indicated a 4-5 layer stratified alternating sequence of high and low resistivity horizons, the sequence start with high resistivity horizon with values >100 Ώm alternating with low-medium resistivity horizons with values in the range of 20-50Ώm. This sequence in 2 or 3 cycles and terminated by the highly conductive horizon with resistivity values of <20Ώms. The pseudo-sections, resistivity values greater 100Ώm are inferred as limestone, there is a consistency of these values on a trend coinciding with the central line axis. The same values are observed at various depths beneath the subsurface implying the occurrences of limestone which extend beyond 35m depth.
Keywords: Aba-Isu, Drilling, Geophysical Mapping, Limestone, Nigeria