The LSEG ESG score, a primary criterion for investors, is also directly referenced in the Borsa İstanbul (BIST) Sustainability 25 Index, a measure of companies' sustainability performance. This latest recognition highlights the international acknowledgment of Turkcell's ESG strategy, which combines its environmental vision with strong financial performance. "Our success has been recognized on the international stage" Turkcell Chief Financial Officer (CFO) Kamil Kalyon, in a statement made on the occasion of UN Climate Week, said: "Turkcell meets all of its electricity needs from 100% renewable energy sources. We are also the first and only company in the Turkish telecommunications sector to achieve carbon-neutral operations." He continued: "At Turkcell, we carefully monitor the environmental and social impact of all our business processes.