This study investigated effect of vehicular emission on heavy metals levels along selected roads of different traffic densities in Abeokuta, Nigeria. Roadside dusts were randomly collected from both sides of the roads and digested. The digested sample solutions were then analyzed using Atomic Absorption Spectrophotometer (AAS) for the determination of Pb, Cd, Zn and Ni concentrations. Replicate analyses were carried out on each sample. Data were subjected to descriptive statistics and analysis of variance. Means were separated using Duncan’s Multiple Range (DMR) test.

The Green Building Index (GBI) is Malaysia’s industry accepted green rating tool for buildings to encourage
sustainability in the built environment and hoist consciousness and understanding of these issues along with related
stakeholders in the construction industry. The application of GBI has became the benchmark rating system incorporates
internationally recognized best practices in environmental design and performance. This paper focuses on the Indoor
Environmental Quality of Educational Buildings in Universiti Sains Malaysia (USM).