Volume 20, Issue 1 (2024) | American Journal of Environmental Sciences

Transverse Velocity, Transverse Boundary Shear Stress and Flow Deviation in Meandering Open Channels

Youssef Ismail Hafez — 2024-07-25

American Journal of Environmental Sciences, Published online: 25 July 2024; doi:10.3844/ajessp.2024.1.21

This study presents a novel approach for characterizing the mechanics of flow in mildly meandering open channels, specifically focusing on the development of a new vertical distribution equation for t...

Using Natural Enemies to Control Greenhouse Pests

Samia Juma AL-Naabi — 2024-08-04

American Journal of Environmental Sciences, Published online: 4 August 2024; doi:10.3844/ajessp.2024.22.30

Biological pest control, often known as biological pest control or biocontrol, is a sustainable and ecologically friendly method of pest management in agriculture. It entails using living organisms in...

Microbial Degradation of Paracetamol in Pharmaceutical Wastewater: A Review

Yahya Seun Yisau — 2024-08-03

American Journal of Environmental Sciences, Published online: 3 August 2024; doi:10.3844/ajessp.2024.31.47

Paracetamol (4′-hydroxyacetanilide or N-acetyl-p-aminophenol or Acetaminophen) is an analgesic and antipyretic over-the-counter commonly used drug. Paracetamol has been detected in, surface waters, ...

Transverse Bed-Slope, Lateral Bed-Load Rate and Bed-Load Deviation Angle in Meandering Alluvial Streams

Youssef Ismail Hafez — 2024-09-09

American Journal of Environmental Sciences, Published online: 9 September 2024; doi:10.3844/ajessp.2024.48.63

A novel expression for the deviation angle of the bed-load discharge is developed which allows its distinction with the other deviation angles of the flow velocity and boundary shear stress. A transve...

Heavy Metals Content and Ecotoxicity of Sediments from the Congo River

Didier Makonko Mabidi — 2024-11-09

American Journal of Environmental Sciences, Published online: 9 November 2024; doi:10.3844/ajessp.2024.64.77

This research aimed to quantify the contamination of Congo River sediments by heavy metals and to evaluate their ecotoxicological effects in the municipalities of Maluku, Gombe, and Kinsuka, Kinshasa ...

Circular Economy Modeling for Waste and Energy Management in A Developing Country: The Case of Greater Beirut Area

Abbas El Toufaili — 2024-11-22

American Journal of Environmental Sciences, Published online: 22 November 2024; doi:10.3844/ajessp.2024.78.88

Lebanon's energy system depends largely on imported fuels. Lebanon presented its commitment to increase by 30% its share of Renewable Energies (RE) by 2030. GBA lacks an integrated Municipal Solid Was...

Evaluation of Heavy Metals in Gadus morhua and the Associated Cancer Risks

Kayode Idowu Ogungbemi — 2025-01-02

American Journal of Environmental Sciences, Published online: 2 January 2025; doi:10.3844/ajessp.2024.89.95

Gadus morhua is a good protein source but some methods of its preservation can be a source of heavy metals contamination. Gadus morhua samples were collected from nine major markets for the identifica...

The Role of Documentaries in Wildlife Preservation at Dinder National Park

Elsir Ali Saad Mohamed — 2025-03-04

American Journal of Environmental Sciences, Published online: 4 March 2025; doi:10.3844/ajessp.2024.96.102

Dinder National Park is a protected area in Sudan known for its rich wildlife, including various endangered species. Documentaries have played a crucial role in promoting awareness and generating inte...