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All Journal International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Social Landscape Journal
Othman, Asaad Belal
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Automotive Engineering Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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IMPACT OF CARBON MARKETS ON FINANCING RENEWABLE ENERGY IN EMERGING ECONOMIES Othman, Asaad Belal; Maftuchah, Istiana
Social Landscape Journal Vol 6, No 3 (2025): November
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56680/slj.v6i3.76851

Abstract

Transitioning to renewable energy is thus a very important component of global efforts toward combating climate change, especially in emerging economies where energy demand is fast outpacing supply. Carbon markets have emerged as a vital financial mechanism for supporting renewable energy projects by enabling the trade of carbon credits. The following abstract discusses how carbon markets affect multi-dimensionally the financial flows of renewable energy in developing nations: attracting investment, reducing capital costs, driving technology innovation, and delivering decentralized energy. Through case studies from Kenya, India, and Brazil, the article illustrates how carbon markets have indeed served to mobilize such large-scale renewable projects as wind farms and solar installations that improve the lot of rural and underserved communities. Despite the promise of carbon markets, it still faces regulatory gaps, market volatility, high transaction costs, and limited participation from local stakeholders. This may spell out actionable solutions, such as the development of regional carbon trading systems, enhancement of voluntary carbon markets, blended finance models, and the integration of emerging economies into global carbon market initiatives within frameworks like those under the Paris Agreement. Carbon markets could have a real catalyzing role in the transition toward renewable energy, with accelerated rates of greenhouse gas emission reduction and sustainable development in emerging economies, if they are able to successfully address these tacked barriers.
Thermal and Acoustic Properties of Coir Fiber Reinforced Epoxy Composites Othman, Asaad Belal; Winarto, Winarto; Bintarto, Redi; Caesarendra, Wahyu; Alhajj, Baligh
International Journal of Mechanical Engineering Technologies and Applications Vol. 7 No. 2 (2026): July - December 2026
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2026.007.02.6

Abstract

The building industry accounts for roughly one-third of worldwide energy use and CO? emissions, with a significant portion spent on heating and cooling. Improving energy efficiency through effective insulation materials is critical for reducing this global demand and mitigating climate change. This paper explores the use of coconut coir fiber—a renewable, low-density byproduct of coconut processing—as a reinforcement in epoxy coatings for metal ceilings. To improve fiber-matrix bonding, the coir fibers were treated with alkali (5% NaOH) before being added to a bisphenol-A epoxy resin in 0–50 wt.% ratios and hand-laminated to 0.3 mm galvalume steel panels. Thermal and acoustic performance were measured under solar radiation (~900–1200 W/m²) and a simulated rain impact (~17 L/min flow of water), respectively. Findings depict a significant enhancement of insulation with an increased content of coir. Thermally, the 50 wt.% coir sample reduced thermal conductivity by more than 50% compared to pure epoxy and kept interior temperatures 5–6 °C lower than ambient. Acoustically, the 50 wt.% coir composites achieved a sound transmission loss of approximately 24 dB at 2000 Hz, which is double the performance of the pure epoxy ceiling (12 dB). The noise of rain in rooms was also reduced by approximately 12 dB under the 50% corrugated roof. These results demonstrate that the low density, porous nature, and capacity to trap air are major contributors to the thermal and acoustic insulation of coir. Finally, coir-epoxy finishes are an environmentally friendly, sustainable solution for enhancing energy efficiency, thermal comfort, and noise mitigation in buildings.
Co-Authors Alhajj, Baligh Maftuchah, Istiana Redi Bintarto, Redi Wahyu Caesarendra Winarto Winarto