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Potential of Metropolitan Greenspaces on Global Warming Abatement in Lagos, Southwestern Nigeria
BADA, BS; MUSARI, OT & TOWOLAWI, AT
Abstract
Greenspace campaign regulates urban air quality and global warming effects. Four areas with trees
planting (TP: Ojota-Ketu, Anthony, Costain and Airport-Agege) and non-trees planting (NP: Mile 12, Jibowu,
Ojuelegba and Iyana-ipaja) were selected considering traffic volumes. Gaseous pollutants: CO, CO2, NOx, SO2, VOC;
SPM and noise levels; meteorological conditions: O2 and Temperature in the selected areas were assessed to be TP and
NP were CO: 3.76 ± 1.23 and 4.70 ± 1.59 μg/ m3, CO2: 8.39 ± 1.50 and 14.68 ± 2.62 μg/ m3, NO2: 1.94 ± 0.84 and
2.57 ± 1.11 μg/ m3, SO2: 0.32 ± 0.54 and 0.46 ± 0.77 μg/ m3, VOC: 2.08 ± 0.65 and 2.60 ± 1.66 μg/ m3, SPM: 101.5 ±
26.19 and 189.34 ± 48.99 μg/ m3, Temp.: 41.25 ± 6.92 and 45.38 ± 7.26 OC, O2: 28.25 ± 2.74 and 21.73 ± 2.09 %, and
Noise: 93.75 ± 37.21 and 112.50 ± 44.65 dB. Gaseous pollution levels were below the standards at the TP. Levels of
SPM were generally lower but Temperature was higher than the limit. Greenspace significance to improve urban air
quality and abate global warming was observed.
Keywords
Vehicular emission; meteorological conditions; Global warming abatement; Lagos.
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