OOIR: Observatory of International Research

Papers

(The H4-Index of Clean Technologies and Environmental Policy is 35. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Stability improvement of laccase for micropollutant removal of pharmaceutical origins from municipal wastewater	155
Activation of nanoparticles of nickel ferrite by divalent metal ions co-doping for the methyl orange dye’s photocatalytic degradation: a kinetic and adsorption isotherm study	150
Enhancing sustainability and efficiency in PPP-based municipal solid waste management: a comprehensive framework integrating success factors and barriers	78
Research on government carbon allowance allocation mechanism from the perspective of the differential game	75
Substantive or strategic? A study on the impact of digital transformation on green innovation	67
Water quality of harvested rainwater from asbestos cement roofs and its suitability for irrigation	66
The impact of energy consumption permit trading scheme on green development efficiency: firm-level evidence in China	61
Performance evaluation of cement-stabilized coalmine overburden-furnace slag-fly ash mixes as economical and sustainable base course material for flexible pavement	60
Correction to: Do Energy Resources matter for Growth Level? The dynamic effects of different strategies of renewable energy, carbon emissions on sustainable economic growth	60
Correction: The effect of building orientation on energy efficiency	56
Assessing eco-technological innovation efficiency using DEA approach: insights from the OECD countries	53
Removal of lead using alginate–eggshell composite beads as a low-cost adsorbent and application for battery manufacturing effluent	52
Thermodynamic and economic evaluation and optimization of the applicability of integrating an innovative multi-heat recovery with a dual-flash binary geothermal power plant	51
Engine performance study for solketal-gasoline fuel blend in a four-stroke SI engine	51
Optimal capacitated multi-product robust cement supply chain Network design considering carbon emission policies	49
Degradation of amoxicillin using CoFe2O4@three-dimensional TiO2@graphene aerogels composite: kinetic, reusability, mineralization, degradation pathway, and toxicity assessment	49
A sustainable solution: mitigating sulphur dioxide emissions through adsorption on chemically modified iron oxide nanoparticles	45
Black gram husk-derived carbon dots: characterization and catalytic dye reduction activities	45
Multi-criteria analysis of barriers to the use of green building technologies in residential buildings: a case study of Mashhad, Iran	43
Impact of nanomaterials on leather: a nano-Saga from processing to application	43
A SWOT-AHP analysis on biodiesel as an alternative future marine fuel	43
Research on carbon neutral key technology in the iron and steel industry based on hypergraph topological characteristics	41
Study on a transversal–longitudinal ventilation structure for the caged chicken house	40
The potential of the P-graph for optimizing public service processes	40
Constructing solid waste-derived carbon fiber with self-doped Ti3+/TiO2 (SWCFs/Ti3+/TiO2) heterojunction for photocatalytic CO2 reduction	40

Evaporative caustic soda recovery in textile mercerization: environmental sustainability and economics	40
Factors affecting renewable energy technology adoption policies of 50 states and district of Columbia in the USA	39
Experimental research on the impact of air-conditioning on solar inverter performance in PV systems under tropical conditions	39
Nanozymes: advance enzyme-mimicking theragnostic tool: a review	39
Green fabrication of Ag–Ni–Mn-Zn nanoparticles from watermelon peels and its antioxidant, dye degradation and molecular docking studies	38
A general risk optimization model for green technology deployment under neutrosophic uncertainty	38
Melt processing of biodegradable poly(butylene succinate) (PBS)—a critical review	38
Sustainability and power generation: a comprehensive analysis of the Brazilian power sector’s energy and exergy aspects	37
The investigation of treatment design parameters on carbon integration networks	36
Pretreatment of skins with masked silicates for low-pollution emission tanning technology	36
A green approach for modification and functionalization of wool fabric using bio- and nano-technologies	35
Combined theoretical and experimental approaches for bacterial aggregation studies towards the improvement of bioremediation processes	35