Amir Hossein Nimjerdi

Financial, innovation and fiscal drivers of ecological efficiency across Western and Eastern European Union member states

Abstract This study quantifies how green finance, financial development, green technology innovation efficiency and environmental taxes shape ecological efficiency in the European Union, and tests whether these effects differ between Western and Eastern member states. The sample...

A stock coupled water and material circularity framework quantifies the trade off between water and carbon in data center cooling

Abstract Circular-economy research has centered on materials, carbon and energy, while water circularity remains fragmented and rarely linked to data-center water demand. The gap matters across the Sustainable Development Goals: the build-out pursued under SDG 9 claims directly o...

Optimizing decentralized wastewater allocation to urban green spaces in the water scarce megacity of Tehran

Abstract Water scarcity is among the most pressing global challenges, and conventional systems increasingly fail to secure reliable urban water supplies. Reusing municipal wastewater for irrigation offers a sustainable, low-cost option for sustaining urban green spaces, the large...