As the primary carrier of harmful elements, road sediment poses severe hazards to human
health and ecological environment, especially in megacities. Based on the industrial cities in …

The occurrence of potentially toxic elements (PTEs), including twelve heavy metal (loid) s
(Cd, Cr, Cu, Ni, Pb, Zn, Hg, As, Co, V, Fe, Mn), fluoride (F−), and nitrate (NO3−) was …

Fossil fuel-based energy systems are mostly used for supplying energy that creates negative
impacts on the environment, so in this study, the development of a 100% renewable energy …

Groundwater is the main source of drinking water supply in most urban environments
around the world. The content of potentially toxic elements is increasing in many …

Groundwater is a very important natural resource for humanity, however, the degradation of
groundwater quality caused by anthropogenic activities may pose a serious hazard to …

The main objectives of this research were to (i) investigate the concentration;(ii) characterize
the distribution;(iii) determine the sources apportionment;(iv) estimate environmental and …

The presence of residual Cr (VI) in soils causes groundwater contamination in aquifers,
affecting the health of exposed populations. Initially, permeable reactive barriers (PRB) …

Heavy metal (loid) s (HM) including Fe, Mn, Cu, Zn, Cd, Cr, Co, Ni, and Pb were analyzed
using ICP-MS in the groundwater of the Khyber District. Two indexical approaches were …

This research is motivated by the learning process used is still teacher-centered, where
learning activities still emphasize reading, writing, and arithmetic. Children have not been …

This research was motivated by the low interest of children to care for plants, the lack of
concern for plants, the absence of the use of project methods in growing plants. This can be …