Dr. R. A AdekunleALABI, Emmanuel Olusanmi2026-04-072026-04-072025-02-12https://ir.bellsuniversity.edu.ng/handle/123456789/475xi, page 109, illustrations, hard backThis study examined the impact environmental challenges on the organisational performance in Nigeria telecommunication industry. It examined external business environments such as legal environment, technological environment and economic environment and their impacts on organisational performances. Data were collected from primary source using questionnaire administered to employees of the selected telecommunication companies (MTN Nigerian PLC and Globacom Network) in Ikoyi and Victorial Island Lagos State). The research design used for this study was survey where 365 copies of the research questionnaire were disttributed 300 copies were retrieved from the respondents..enEnvironmental challengesDissertation